Nickase(dna)
[化] 切口酶
🗣️ 情景例句
What events are happening on campus?
校园里有什么事件发生？
I must say that I'm a little at a loss as to how to introduce them.
我必须表明对于如何介绍他们，我有点不知所措。
May I have your attention please?
请大家注意一下。