“起重”怎么读

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....

“起重”的英语可以翻译为：jack-up ...