Underfill
n. [冶](孔型)未充满
🗣️ 情景例句
If you quit smoking now, you'll feel better in no time.
如果你现在戒烟的话，你很快就会感觉好多了。
So soon? Why don't you stay a little longer?
这么早就走了？为什么不呆一会呢？
Can you play jazz?
你们能演奏爵士乐吗？