in train的用法和樣例：
例句
用作副詞 (adv.)
- All her luggage was in readiness for the trip.
她這次旅行的行李已準備就緒。 - The crew is in trim for the boat-race.
船員們都準備就緒，等待比賽的開始。
辭彙搭配
- in the train of 接著(內行
- Things are in good train. 事情很順利。...
