Emergeney signalling
[化] 事故訊號裝置
?? 詞語組成解析
[計] 信號傳輸法
??? 情景例句
Can you send your tow truck over here?
你們能派輛拖車來嗎？
Would anyone like seconds?
誰要換其他的飲料？
People travelling long distances frequently have to decide whether they would prefer to go by land, sea, or air.
出遠門的人常常需要決定是走旱路、水路，還是坐飛機。