Streptavidin
n. 链霉亲和素; 抗生蛋白链菌素
🗣️ 情景例句
Second, we have to make an effort to encourage American companies to do business in our country.
第二，我们必须鼓励美国公司在我国开展业务。
I can't believe it.
我不相信。
Is it in the box?
在这个箱子里吧？