Perhydrocyclopentanophenanthrene
环戊烷多氢菲
🗣️ 情景例句
Anything to drink?
要喝点什么吗？
Will you please lock the door when you leave?
请您当你离开时，锁门？
Suddenly, there was a slight trembling sound from below, and the captain went down to see what had happened.
突然，从船舱下部传来一声微颤音，船长走下船舱去查看究竟。