milk run的词源

英文词源

rennet (n.1)

"inner membrane of a calf's fourth stomach," c. 1400, probably from an unrecorded Old English *rynet, related to gerennan "cause to run together," because it makes milk run or curdle; from Proto-Germanic *rannijanan, causative of *renwanan "to run" (see run (v.)). Compare German rinnen "to run," gerinnen "to curdle."

中文词源

milk run：沿途多次停靠的火车或飞机

比喻用法。

该词的英语词源请访问趣词词源英文版：milk run 词源，milk run 含义。