1)insert

2)on occasion 有時(shí)候

? not ony...but also 不僅...而且...

? Polish 波蘭語

3) investigate? ? on sale & for sale

4) in retrospect

5)initial最開始的. reaction反應(yīng)reaction to sth. 對(duì)...的反應(yīng)

relief? ? ? ? n.欣慰

6)phenomena phenomenon 的復(fù)效

7) attached

8) make up for? ? ?

do sth to make up for doing sth.?

做某事來彌補(bǔ)某事

9) is awaiting

10) not,in the least

11) promote

12)emerged出現(xiàn)? make? out 辨認(rèn)出

in the distance.? 在遠(yuǎn)處

from behind. 從...后面出來

造句:當(dāng)小兔子從石頭后面出來時(shí)，我發(fā)現(xiàn)它受傷了。