Nbo
[医][=nonbed occupancy]无床被占用，非占用床，空床
🗣️ 情景例句
Scientists have confirmed that the Earth is, indeed, round.
科学家证实，地球确实是圆的。
Crows do not pick crow's eyes.
同室不操戈。
I was taking care of Sally.
我在照顾萨莉。