Semiduplex
[电] 半双工
🗣️ 情景例句
Oh dear! What a pity!
啊！真遗憾！
Congratulations on the completion and opening of a new Beijing branch!
祝贺美国银行北京分行的建成和开业！
We swam and dived off the rocks into the sea.
我们从岩石上跳进海里游泳。