signaller

🇬🇧/ˈsɪɡnələ(r)/ 🇺🇸/ˈsɪɡnələr/ 22
a person who communicates using signals.

noun [专属名词]通讯兵;信号装置

Along with the headbutt, the signaller makes a brief "piping" sound, says Nieh.
随着用头碰撞,这些通讯兵发出短暂的“尖叫”声,聂说。

单词造句:
网友用“Signaller”造句精选
Of course that sort of thing was not convenient, so we sent a shell and blew the signaller all to pieces. 这当然很不好, 我们于是发炮把那信号员炸得粉身碎骨。