Underfill
n. [冶](孔型)未充满
🗣️ 情景例句
Thank you for calling us.
谢谢你打电话给我们。
Let's call it a day.
让我们今天就到此为止吧。
Here you are But you mustn't come home after a quarter past eleven.Do you hear?
拿去。但你不能超过11点1刻回家。听见了吗？