Bexoid
醋酸纤维素片材
🗣️ 情景例句
Very few people last in this class for the full hour the very first time.
很少人能够第一次撑完一个小时的课。
Suppose you couldn't go on the trip.How would you feel?
假定你不能继续你的旅行，你将感觉如何？
I'll leave a message on his desk.
我将把留言条放在他的桌子上。