Emergeney signalling
[化] 事故讯号装置
🧩 词语组成解析
[计] 信号传输法
🗣️ 情景例句
It doesn't hurt that much, does it?
这样没有那么痛， 是吗？
A true friend is known in the day of adversity.
疾风知劲草，患难知友情。
He was born in New York.
他出生在纽约。