重点讲解:
1. at the same time 同时;
例句:By coincidence, we arrived here at the same time.
我们凑巧一同到达这儿 。
2. think of 想到;想起;想出;
例句:Mary was the first person to think of the idea.
玛丽是第一个想到这个主意的人 。
3. because of 因为;由于;
例句:A whole tankful of gas dropped away because of the tiny leak.
由于这个小小的漏洞,整整一油箱的汽油都漏光了 。
4. be serious about 认真的;当真的;真心的;郑重其事的;
例句:We have to be serious about our future.
我们要认真的面对未来 。
adj. 可察觉的,意识到的,实用的
n. 可