Underfill
n. [冶](孔型)未充满
🗣️ 情景例句
I'm ready. See you later, Marilyn.
我准备好了。Marilyn 再见。
They who cannot do as they would,must do as they can.
不能如愿而行，也须尽力而为。
(remember how easily the Apollo astronauts bounded along),
还记得阿波罗飞船中的宇航员轻松地跳跃-