Secondman
n. (内燃机车或电气列车上的)助理驾驶员
🗣️ 情景例句
I don't know how she does it.
我不知道她怎么办到的。
They will miss him very much when he leaves home for the first time.
李明第一次离开家，他们会非常想念他的。
You're welcome.
不客气。