Hexaphene
[化] 己芬; 萘并[2,3-a]并四苯
🗣️ 情景例句
Let me tell you something, Robbie.
让我告诉你一件事 ，Robbie。
The postman always comes at 2 o'clock.
邮递员总是在2点钟来。
I'm afraid some people forgot to sweep the floor.
它不如平时干净，恐怕是一些人忘记扫地了。