Secondman
n. (内燃机车或电气列车上的)助理驾驶员
🗣️ 情景例句
Take them upstairs, Susan.
带他们上楼去， Susan。
Your friend was here a week ago,wasn't he?
一个星期前，你的朋友曾在这里，是不是？
We were very much surprised when the snake charmer suddenly began to play jazz and modern pop songs.
当耍蛇人突然又吹奏起爵士乐和现代流行乐曲时，我们感到非常惊奇。