As an intransitive verb, train means to give or undergo a course

来源: 于 2011-05-31 20:10:35 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

 

train

v.intr.
1. To give or undergo a course of training: trained daily for the marathon.
2. To travel by railroad train.