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
Can you send your tow truck over here?
你们能派辆拖车来吗？
Would anyone like seconds?
谁要换其他的饮料？
People travelling long distances frequently have to decide whether they would prefer to go by land, sea, or air.
出远门的人常常需要决定是走旱路、水路，还是坐飞机。