Backtrace
[计] 回溯
🗣️ 情景例句
Did she say why she had to leave today?
她说了她为什么今天非走不可吗？
Not yet.
还没有。
We would've called a taxi if Liz hadn't offered us a ride home.
假如李兹不送我们回家，我们就打的了。