D-n
[医]dextrose nitrogen ratio 葡萄糖氮比率，糖氮比率
🗣️ 情景例句
A friend of a friend is good pals with the lead singer.
我一个朋友的朋友跟那个主唱歌手是朋友。
How often did I tell you not to slam the door?
我告诉你多少次不要砰然关门?
In answer to these questions I either nodded or made strange noises.
作为对这些问题的回答，我不是点头，就是发出奇怪的声音。