Sdm
空分复用
🗣️ 情景例句
I woke up when I heard someone speak.
一听到有人说话我就醒了。
The restaurant was filled,so we decided to go elsewhere.
餐馆塞满了人,因此我们决定到其它地方去。
Yes, it's Bob here. Can you ask him to call me back?
可以，我是鲍勃。你能请他给我回个电话吗？