Secondman
n. (内燃机车或电气列车上的)助理驾驶员
🗣️ 情景例句
Oh yes.
你好。
Gifts from enemies are dangerous.
敌人礼，藏危险。
After his attempt, Campbell was disappointed to learn that his average speed had been 299 miles per hour.
比赛结束后，坎贝尔非常失望地得知他的平均时速是299英里。