D-n
[医]dextrose nitrogen ratio 葡萄糖氮比率，糖氮比率
🗣️ 情景例句
We spent a lot of time fishing together.
我们以前常常一起钓鱼。
Can I bring this on the plane?
这件我可以带上飞机吗？
It is thought that they arrived more than 30,000 years ago by crossing a land bridge from Asia to America.
他们被认为是在3万多年以前从亚洲跨越一座陆桥来到美洲的。