racks
[ racker ]的第三人称单数
例句与用法:
I've been racking my brains (trying) to remember his name.
我一直都在绞尽脑计回想他的名字。
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。
词形变化:
名词: rack-renter | 动词过去式: rack-rented | 动词过去分词: rack-rented | 动词现在分词: rackrenting | 动词第三人称单数: rack-rents |