Perhydrophenanthrene
菲烷, 全氢化菲
🗣️ 情景例句
I'm here to see Mr. Carlson.
我来见Carlson先生。
Deliberate in counsel, prompt in action.
考虑要仔细，行动要迅速。
'I'll tell you where to get off.' answered the conductor.
“我来告诉您在哪儿下车，”售票员回答说。