Underfill
n. [冶](孔型)未充满
🗣️ 情景例句
If there is any cinnamon,
要是有的话，
Silence in times of suffering is the best.
遭到不幸时，沈默是上策。
I left at 6:00 so that I could catch the train.
我六点钟出门，以便赶上火车。