D-n
[医]dextrose nitrogen ratio 葡萄糖氮比率，糖氮比率
🗣️ 情景例句
No, it's not taken.
没有 ，没人坐。
In vain.
白忙一场。
In the process, he enjoyed himself thoroughly and kept telling everybody how much he hated hospitals.
在晚会上他尽情娱乐，一再告诉大家他是多么讨厌医院。