Secondman
n. (内燃机车或电气列车上的)助理驾驶员
🗣️ 情景例句
I have a question.
我有一个问题。
Mother doesn't approve of her smoking.
母亲不赞成她吸烟。
No. It has nothing to do with it at all.
没有。它和我的研究一点关系都没有。