Perhydrophenanthrene
菲烷, 全氢化菲
🗣️ 情景例句
What's your position?
你的职位是什么？
She doesn't come as ofter as she used to.
她现在已经不像以前那样常来了。
Help! said Bruce. The basket isn't here!
“来人啊！”布鲁斯说，“篮子不见了！”