Gmdss
全球海上遇险安全系统
🗣️ 情景例句
Hello, sir.
您好，先生。
It doesn't make much difference to me what you do.
你干什么对我没有多大关系。
But Jiang Honglin from Class 2 was running very fast.
但是2班的江红林跑得非常快。