Underfilling
不[未充]满, 底层填料
🗣️ 情景例句
The professor runs a restaurant on the side.
这个教授的副业是开饭馆。
I'm going to show him how to write.
我正要指点他如何写字。
We're having a special showing next week in our showroom.
下周我们的展示室将有一个特别的展示会，