释义
n. 架,行李架,拷问台 v. 折磨,使...痛苦,加以拷问
例句
1. He put his shoes on the rack. 他把鞋放在架子上。 2. Even after racking his brains he couldn't think of a single example. 即使绞尽脑汁，他还是连一个例子也想不出来。