1、一be busy (in) doing something be busy with something这两种用法。 2、二end up的用法:1)竖起,直立.如:The dog can end up.2)结束,各终.如:He end up the head of the company.3)死.如:The old man ended up after he said his last...

发布时间：2025-11-01 浏览量：5