Ssdna
[化] 单链DNA
🗣️ 情景例句
You must be joking.
你肯定是在看玩笑。
A ready way to lose friend is to lend him money.
失友都因借钱起。
Well,you mustn't play in the road.It's dangerous. A car may hit you.
嗯，你不可以在路上玩球。那是很危险的。汽车会撞着你。