Polypeptidase
多肽酶
🗣️ 情景例句
And I'll need to see your passport.
另外，我需要看一下您的护照。
You ain't seen nothing yet!
好戏还在后头呢！
In his youth, his father and grandfather often told him stories about their family history.
年轻时，他的父亲和祖父常常同他说起他们的家史。