Perhydrophenanthrene
菲烷, 全氢化菲
🗣️ 情景例句
I'd like to set up a doctor's appointment as soon as possible.
我想尽快预约门诊。
So what?
你说呢？
In Miss Gao's class there are forty-six students.
在高老师的班上有四十六个学生。