Underfilling
不[未充]满, 底层填料
🗣️ 情景例句
Donald passed away a couple of years ago.
Donald几年前去世了。
One of these days,I'd like to take a vacation.
某天,我想度假。
Good morning. I am. Everyone is here. No one is away.
早上好。我值日。大家都来了。没有人缺席。