Deoxyribonucleic
脱氧核糖核的
🗣️ 情景例句
Is something bothering you?
有什么事烦你吗？
In fifty years there'll be twenty people per square yard, it is written here.
这里写着，再过五十年每平方码将要住着20人的人口密度。
the varieties are infinite; but two classes may be roughly seen.
鸟的飞行方式千差万别，但大体上可分为两类。