Polyborane
聚硼烷
🗣️ 情景例句
About three weeks. We'll have enough time for our talks.
大约三个礼拜，我们有足够的时间交谈了。
What do you going to wear today?
你今天穿什么衣服？
So there were many people in the doctor's waiting room.
所以医生的候诊室里有很多人。