Signaller
n. 信号手, 通信兵, 信号装置\\n[化] 信号装置
📖 牛津释义
signaller
(US signaler), n person who signals, esp a soldier specially trained for this purpose 信号员; （尤指）信号兵.
🗣️ 情景例句
It's easy to pick something for my colleagues, but it's difficult for my boss.
给同事们的应该不难买，但是给老板的就难罗。
Are you sure?
你确信吗？
'May I have two tickets please?' I asked.
“我可以买两张票吗？”