Tetrapropyltin
[化] 四丙基锡
🗣️ 情景例句
If you don't mind my asking, where did you come from?
你从哪儿来？要是你不介意我这么问的话。
What do you do in your spare time?
空闲时间你干什么？
I wish I knew my neighbor.
我很想认识我的邻居。