1. 地球是太阳系中唯一的已知存在生命的星球。
Earth is the only known planet in the solar system to harbor life.
2. 人类的大脑约有 860 亿个神经元。
The human brain has approximately 86 billion neurons.
3. 光的速度约为每秒 299,792,458 米。
The speed of light is approximately 299,792,458 meters per second.
4. 地球的直径约为 12,742 公里。
The diameter of Earth is approximately 12,742 kilometers.
5. 世界上最高的山峰是珠穆朗玛峰，海拔 8,848.86 米。
The highest mountain in the world is Mount Everest, which stands at 8,848.86 meters above sea level.
6. 世界上最大的海洋是太平洋，面积约为 1.6525 亿平方公里。
The largest ocean in the world is the Pacific Ocean, covering an area of approximately 165.25 million square kilometers.
7. 中国是世界上人口最多的国家，拥有超过 14 亿人口。
China is the most populous country in the world, with over 1.4 billion people.
8. 澳大利亚是世界上唯一一个国家也是一个大陆。
Australia is the only country that is also a continent.
9. 金字塔是古代埃及人建造的巨大的石制建筑，作为法老的陵墓。
Pyramids are massive stone structures built by ancient Egyptians as tombs for pharaohs.
10. 万里长城是中国古代防御工事，长达 21,196 公里。
The Great Wall of China is an ancient Chinese defensive fortification, stretching for 21,196 kilometers.
11. 亚马逊雨林是世界上最大的热带雨林，占地约 550 万平方公里。
The Amazon rainforest is the largest rainforest in the world, covering an area of about 5.5 million square kilometers.
12. 格陵兰是世界上最大的岛屿，面积约为 216.6 万平方公里。
Greenland is the largest island in the world, covering an area of approximately 2.166 million square kilometers.
13. 月球是地球唯一的天然卫星。
The Moon is Earth's only natural satellite.
14. 太阳系中有八颗行星，分别是水星、金星、地球、火星、木星、土星、天王星和海王星。
There are eight planets in the solar system: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
15. 地球的自转周期约为 24 小时。
Earth's rotation period is approximately 24 hours.
16. 地球的公转周期约为 365.25 天。
Earth's revolution period is approximately 365.25 days.
17. 水的化学式是 H2O。
The chemical formula for water is H2O.
18. 空气的主要成分是氮气和氧气。
The main components of air are nitrogen and oxygen.
19. 声音是由物体振动产生的。
Sound is produced by the vibration of objects.
20. 光是由电磁波组成的。
Light is composed of electromagnetic waves.
21. 人类消化系统由口腔、食道、胃、小肠、大肠和肛门组成。
The human digestive system consists of the mouth, esophagus, stomach, small intestine, large intestine, and anus.
22. 人类的心脏每分钟大约跳动 70 次。
The human heart beats approximately 70 times per minute.
23. 人类肺部是呼吸器官，负责吸收氧气和排出二氧化碳。
The human lungs are the respiratory organs, responsible for taking in oxygen and expelling carbon dioxide.
24. 人类骨骼系统由 206 块骨头组成。
The human skeletal system is composed of 206 bones.
25. 人类肌肉系统由大约 650 块肌肉组成。
The human muscular system is made up of approximately 650 muscles.
26. DNA 是脱氧核糖核酸的缩写，是所有生物的遗传物质。
DNA stands for deoxyribonucleic acid, and it is the genetic material of all living organisms.
27. 细胞是所有生物的基本结构和功能单位。
Cells are the basic structural and functional units of all living organisms.
28. 光合作用是植物利用阳光、水和二氧化碳制造食物的过程。
Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to make food.
29. 呼吸作用是生物体利用氧气分解食物产生能量的过程。
Respiration is the process by which living organisms break down food using oxygen to produce energy.
30. 进化是指生物随着时间的推移而发生变化的过程。
Evolution is the process of change in organisms over time.
31. 物质的三个基本状态是固态、液态和气态。
The three fundamental states of matter are solid, liquid, and gas.
32. 温度是衡量物体热量的一种方式。
Temperature is a measure of how hot or cold an object is.
33. 热量是能量的一种形式，可以从一个物体传递到另一个物体。
Heat is a form of energy that can be transferred from one object to another.
34. 力是改变物体运动状态的原因。
Force is the cause of changes in the motion of an object.
35. 重力是物体之间相互吸引的力。
Gravity is the force of attraction between objects.
36. 摩擦力是物体之间相互接触时产生的阻力。
Friction is the force that opposes motion between surfaces in contact.
37. 能量是做功的能力。
Energy is the ability to do work.
38. 动能是物体由于运动而具有的能量。
Kinetic energy is the energy an object possesses due to its motion.
39. 势能是物体由于其位置或状态而具有的能量。
Potential energy is the energy an object possesses due to its position or state.
40. 机械能是物体动能和势能的总和。
Mechanical energy is the sum of an object's kinetic and potential energy.
41. 电流是指电荷在导体中定向移动的现象。
Electric current is the flow of electric charge through a conductor.
42. 电压是指电势差，是驱动电流的原因。
Voltage is the difference in electric potential, which drives the flow of current.
43. 电阻是导体阻碍电流流动的性质。
Resistance is the property of a conductor that opposes the flow of electric current.
44. 磁场是由磁体或电流产生的。
Magnetic fields are produced by magnets or electric currents.
45. 光是电磁波的一种形式，具有波粒二象性。
Light is a form of electromagnetic radiation that exhibits both wave and particle properties.
46. 光的折射是指光线从一种介质进入另一种介质时发生偏折的现象。
Refraction is the bending of light as it passes from one medium to another.
47. 光的反射是指光线遇到物体表面后改变方向的现象。
Reflection is the change in direction of light as it bounces off a surface.
48. 地球的磁场保护地球免受太阳风的伤害。
Earth's magnetic field protects the planet from the harmful effects of the solar wind.
49. 极光是由太阳风中的带电粒子与地球大气层中的气体原子相互作用产生的。
Auroras are produced by the interaction of charged particles from the solar wind with gas atoms in Earth's atmosphere.
50. 天文学是研究天体和宇宙的科学。
Astronomy is the study of celestial objects and the universe.
51. 星系是由恒星、气体、尘埃和暗物质组成的巨大星系。
Galaxies are massive systems of stars, gas, dust, and dark matter.
52. 黑洞是时空中的区域，其引力非常强大，任何东西都无法逃脱。
Black holes are regions of spacetime where gravity is so strong that nothing, not even light, can escape.
53. 超新星是恒星在生命结束时发生的剧烈爆炸。
Supernovae are violent explosions that occur when a star reaches the end of its life.
54. 脉冲星是快速旋转的中子星，发射出强烈的无线电波。
Pulsars are rapidly rotating neutron stars that emit intense radio waves.
55. 类星体是极其明亮的星系核，被认为是由超大质量黑洞供能。
Quasars are extremely luminous galactic nuclei believed to be powered by supermassive black holes.
56. 宇宙大爆炸理论是关于宇宙起源和演化的主要理论。
The Big Bang theory is the leading theory about the origin and evolution of the universe.
57. 暗能量是一种神秘的能量形式，被认为是宇宙加速膨胀的原因。
Dark energy is a mysterious form of energy believed to be responsible for the accelerated expansion of the universe.
58. 暗物质是一种不可见的物质形式，被认为是宇宙中大部分物质的原因。
Dark matter is an invisible form of matter that is believed to account for most of the matter in the universe.
59. 物理学是研究物质及其运动的科学。
Physics is the study of matter and its motion.
60. 化学是研究物质及其变化的科学。
Chemistry is the study of matter and its changes.
61. 生物学是研究生命的科学。
Biology is the study of life.
62. 地球科学是研究地球及其系统的科学。
Earth science is the study of Earth and its systems.
63. 数学是研究数量、结构、空间和变化的科学。
Mathematics is the study of quantity, structure, space, and change.
64. 计算机科学是研究计算和信息处理的科学。
Computer science is the study of computation and information processing.
65. 语言学是研究语言的科学。
Linguistics is the study of language.
66. 心理学是研究人类行为和心理过程的科学。
Psychology is the study of human behavior and mental processes.
67. 社会学是研究人类社会和社会关系的科学。
Sociology is the study of human society and social relationships.
68. 人类学是研究人类及其文化的科学。
Anthropology is the study of humans and their cultures.
69. 历史学是研究过去事件的科学。
History is the study of past events.
70. 艺术是人类表达情感和思想的一种形式。
Art is a form of human expression of emotion and ideas.
71. 音乐是声音的一种组织形式，具有美学和情感意义。
Music is an organized form of sound that has aesthetic and emotional significance.
72. 文学是书面或口头语言的艺术形式。
Literature is an art form of written or spoken language.
73. 哲学是研究基本问题和概念的学科。
Philosophy is the study of fundamental questions and concepts.
74. 宗教是信仰系统和实践，通常涉及对神灵或超自然力量的信仰。
Religion is a system of beliefs and practices, often involving the belief in deities or supernatural forces.
75. 道德是关于对错和善恶的原则。
Ethics is the set of principles relating to what is right or wrong, good or bad.
76. 文化是指一个群体或社会所共有的价值观、信念、习俗和行为模式。
Culture refers to the shared values, beliefs, customs, and patterns of behavior of a group or society.
以上就是关于百科知识的句子76句(百科知识的句子英文)的全部内容。 欢迎大家转发到抖音朋友圈，与朋友一起分享。
本文链接：https://www.baomulu.com/article-14903.html