Triphenylene
[化] 苯并[9.10]菲
🗣️ 情景例句
Then you have to fill out this form
然后你要填写这份表格，
We should let him face the music.
我们应该让他对自己所做的事负责任。
There was also a great deal of machinery on display.
参展的还有很多机器，