Bivacancy
(在原子外壳中的)双空位
🗣️ 情景例句
When I wake up in the morning, I go straight to the bathroom.
我早上醒了之后就直接去卫生间洗澡。
He is showing off his brand-new car.
他正在炫耀新出品的汽车。
we'll be poor again.What'll we do then?
我们又会变穷的。那时我们怎么办呢？