Underfill
n. [冶](孔型)未充满
🗣️ 情景例句
But I have a doctor's appointment in the afternoon.
但我后天下午跟医生约好了。
I still have to fill 16 hours in my major.
我必须重修主修科目16小时。
Hello! Sydney 7654392.
喂！我是悉尼7654392。