“起重”造句

在某事中起重要作用
to play a major role in sth

它们还在从起重机上掉落的地方，一部分露出水面。
They lay where they had fallen from the crane, sticking out of the water.

办好一所学校,校长起重要作用.
The headmaster plays an important role in the good running of a school.