D-n
[医]dextrose nitrogen ratio 葡萄糖氮比率，糖氮比率
🗣️ 情景例句
Harry! Michelle! Can you wait till I make a phone call?
Harry， Michelle，你们等一下让我打个电话好吗？
None of us girls are supposed to smoke.
我们女孩子都不该吸烟。
If the Houses of Parliament had not been burned down in 1834, the great clock would never have been erected.
如果不是国会大厦在1834年被焚毁的话，这座大钟永远也不会建造。