Fdm
[计] 频分多路传输
🗣️ 情景例句
I am sorry. I am not free right now.
对不起，我现在很忙。
The chances for a promotion look really good, but before I get too old I want to see the world.
提升的机会确实无可挑剔，但是在我变得太老之前，我想去看看世界。
Once, however, it failed to give the correct time.
然而有一次，它却把时间报错。