Thiophanthrene
萘并[2, 3-b]噻吩
🗣️ 情景例句
Here's your cinnamon, Pop.
这是你要的肉桂， 爸爸。
No. Can't you see that rocket is almost falling down.
不。你不知道火箭快要倒下来了吗？
Are there any houses in the picture?
画里面有房子吗？