Celion
石墨碳纤维
🗣️ 情景例句
Would a professional photographer be without a picture?
一位专业摄影师会没有照片吗？
I told him to stay for the weekend.
我告诉他留下来度周末。
The eraser goes from one student to another first one way, then another.
橡皮擦从一个学生传给另一个学生－先从这个方向传过去，然后返回来。