Lactofil
合成蛋白质纤维
🗣️ 情景例句
Please give me a general view first, will you?
首先，请给我一个大概的介绍，行吗？
She is a member of the ski club.
她是滑雪俱乐部的成员。
There was no doubt that we were unwelcome visitors.
毫无疑问，我们的来访是不受欢迎的。