Lactofil
合成蛋白质纤维
🗣️ 情景例句
The little boy held his mother's hand firmly when crossing the street.
那小男孩过马路时紧抓着母亲的手。
I'm too lazy.
我太懒惰。
plunges and screams every time a man approaches,
每当有人走近它时，就会向前猛冲并发出尖叫，