第三人称单数：数：rats
第三人称单数：rats
过去分词：ratted
过去式：ratted
捕鼠（rat的现在分词形式）；
1. 拍击,摇动：合理化,有理化(数学) rationalization | 拍击,摇动 ratting | 生煤 raw coal
noun
1. to furnish incriminating evidence to an officer of the law (usually in return for favors)
Synonym: informing
