Lactoxin
乳毒素
🗣️ 情景例句
Thank you.
谢谢。
I don't know where I am!
我不知道我身在何处！
But the historian attempting to reconstruct the distant past is always faced with a difficult task.
但是，历史学家企图重现遥远的过去可是一项艰巨的任务，