D-n
[医]dextrose nitrogen ratio 葡萄糖氮比率，糖氮比率
🗣️ 情景例句
Well, are you as good a tennis player as your dad?
嗯 ，你是否像爸爸那样是一名优秀的网球选手呢？
He operates the crane.
他在操纵起重机。
The survey revealed a large number of sources of noise that we really dislike.
这个调查显示出很大数目我们不喜欢的噪音源：