Oxygen debt
[医] 氧债
🧩 词语组成解析
🗣️ 情景例句
What does John do?
John现在做什么事？
Do not swap horses when crossing a stream.
处在危难中，不宜大更动。
He sent yet another fax informing the journalist that if he did not reply soon he would be fired.
于是他又发了一份传真，通知那位记者说，若再不迅速答复，将被解雇。