Underfill
n. [冶](孔型)未充满
🗣️ 情景例句
All right. We'll make close study about it and give you reply as soon as possible.
很好。对这个问题我们将仔细研究一下，尽快给你们答复。
Life is a battle from cradle to grave.
人生是一场从生到死的战斗。
Pink's her favourite colour.
粉红色是她最喜欢的颜色。