brakeman

详细解释:n. 司闸员, 制动手

英语解释：

名词 brakeman:

a railroad employee responsible for a train's brakes

例句：

A member of the operating crew on a railroad train, especially the brakeman.列车员、乘务员在铁路列车上工作的乘务组成员，尤指司令员