Lactofil
合成蛋白质纤维
🗣️ 情景例句
I've never seen you so wound up.
我从来没有看过你这么紧张。
Pupil. He is studying.
学生。正在学习。
Come on, Wu! shouted the Class 1 students. Oh! Bad luck!
“快！快呀！吴鹏！”1班的学生喊道，“啊！真倒霉！”