Prindamine
二氢三甲基苯基
🗣️ 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。
Mr. Chairman, may I have the floor?
主席，我可以发言吗？
There are some pictures in the room.
客厅里有几幅画。