Hdx
[计] 半双工
🗣️ 情景例句
Are you going to return it here?
你要在这里归还吗？
Who has never tasted bitter, knows not what is sweet.
不尝黄连苦，怎知蜂蜜甜。
We've got some cheaper ones in the back room.
后面房间里有一些比较便宜的。