Signalling apparatus
[机] 信号装置
🧩 词语组成解析
[计] 信号传输法
🗣️ 情景例句
What's the deadline for claim?
索赔的有效期多长？
Let's talk over coffee.
我们边喝边谈。
I grew a beard during the trip.but I shaved it off when I came home.
我在旅行时留了胡子，但我回到家时就把它刮了。