Nbo
[医][=nonbed occupancy]无床被占用，非占用床，空床
🗣️ 情景例句
I don't know haw that could have happened.
我不知道怎么会发生那样的事。
Did you see Mr. Jones yesterday?
你昨天看见琼斯先生了吗？
Her tooth ached all night.
她牙疼了一整夜。