介词 OVER?The workers have to yell to be heard over the din of the engines.这个句子中为什么要用介词over
问题描述：
介词 OVER?
The workers have to yell to be heard over the din of the engines.这个句子中为什么要用介词over
答
此处over 表“在...期间”"在...过程中”
如 My grandchildren will stay over Christmas.
我的孙儿孙女们圣诞节期间将呆在这儿.
The workers have to yell to be heard over the din of the engines
也就是“在嘈杂的引擎声间,工人们不得不大声喊叫才能听得见”