人教版高一必修3 Unit 4重点短语归纳

1. solar system太阳系

2. the origin of life生命起源

3. a widely accepted theory被广泛认可的理论 4. in all directions朝着四面八方 5. a cloud of dust一团尘埃

6. settle into a solid globe固定成固体球体 7.in time to do sth.及时做某事 8. cool down冷却下来，冷静下来

9. be fundamental to sth对……是基本的

10. the continued presence of water水的持续存在 11. a chain reaction连锁反应 12. all sorts of各种各样的 13. lay eggs产卵，下蛋

14. remain a mystery仍然是个谜 15. give birth to出生，生产 16. in one’s turn依次

17. prevent… from doing sth.阻止……做某事 18. as a result of由于……的结果 19. analyse its structure分析它的结构 20. solve a puzzle解决迷惑

21. understand the nature of astronomy理解天文学的特性 22. the earth’s gravity地球引力 23. emotional words情感类词 24. dozens of好几打 25. crash into撞到

26. make a trip into space进行太空旅行 27. in one’s spaceship坐宇宙飞船 28. the force of gravity引力 29. get close to 接近，靠近

30. as strong a pull as …和……一样强的拉力 31. cheer up振奋起来，振作起来 32. step forward向前走 33. fall over跌倒

34. now that既然，因为 35. get the hang of掌握 36. break out爆发

37. watch out for sth.小心……，留意…… 38. overcome this difficulty克服困难 39. the scientific method科学的方法 40. put sb. to bed安顿某人入睡