Hdx
[计] 半双工
🗣️ 情景例句
We want to leave on May 1st and return on May 8th.
我想五月一日走，五月八日回来。
It's worth seeing.
它绝对值得一看。
The train was late but nobody knew the reason for the delay.
火车晚点了，但没人知道为什么。