Lactocin
乳桿菌素
🗣️ 情景例句
I can't build a fire by rubbing two pieces of wood together.
我总不能靠着磨擦两片木柴来取火吧。
Politically,the country is divided into fifty states.
这个国家政治地被划分成50个州。
There was too much work for our computer to cope with.
我们的计算机要做的工作太多，简直应接不暇。