它们最终产生了二氧化碳、氮气、水蒸气和其他气体,从而形成了地球的大气层。
in time 及时;终于;迟早
(1)in time作"终于;迟早"讲时,常单独使用,作状语。
(2)in time作"及时"讲时,后常跟for sth.或to do sth.。
①You will succeed in time as long as you don't give up.
只要不放弃,你总有一天会成功。
②The doctor came in time to_save (save) his life.
医生及时赶到并抢救了他的生命。
③Lucky for him, he was just in time for the bus.
幸运的是,他及时赶上了公共汽车。
[联想发散] time 相关短语荟萃:
①from time to time 有时;偶尔
②at a time 每次
③in no time 立刻;马上
④at the same time 同时
⑤at one time 一度;从前
⑥at no time 绝不(置于句首时,句子常用部分倒装语序)
3.(教材P26)What many scientists believe is that the continued presence of water allowed the earth to dissolve harmful gases and acids into the oceans and seas.
很多科学家相信,由于地球上长期有水存在,使地球得以把有害气体和酸性物质溶解在海洋里。
harmful adj.有害的
(1)be harmful to ... 对......有害
(2)harm n.& vt. 伤害;损害
do harm to sb.= do sb.harm 对某人有害
(3)harmless adj. 无害的
①Your smoking can be harmful to the health of your children.
你吸烟会对孩子的健康有害。
②We all know that drinking too much does_harm_to your health.
众所周知,过量饮酒对你的身体有害。
③The medicine is harmful to children but harmless (harm) to adults.
这种药对儿童有害,却对成年人没有什么害处。