secondman
n. (内燃机车或电气列车上的)助理驾驶员
词形变化
secondmen
复数
secondmen
别名
second man
释义与例句
n.
-
1.
A driver's assistant on a diesel or electric locomotive.
英国 交通
词源
From second (“2nd”) + -man.
来源:wiktionary