signalman
US /ˈsɪɡ.nəl.mən/
UK /ˈsɪɡ.nəl.mən/
名词
1.
信号员, 信号手
a person who operates signals on a railroad or at a port
示例:
•
The signalman waved his flag to indicate the track was clear.
信号员挥舞旗帜，示意轨道畅通。
•
He worked as a signalman for over thirty years.
他做了三十多年的信号员。
在 Lingoland 学习这个单词