Pankrin
[化] 蛋白酶
🗣️ 情景例句
Because the United States is the most important trade partner.
因为美国是我们最重要的贸易伙伴。
It is no good hen that cackles in your house and lays in another's.
这样的母鸡可不好：在你家里咯咯叫，却到别家去下蛋。
The play may begin at any moment.
戏随时都有可能开始。