Tridane
十三烷基苯
🗣️ 情景例句
I'm here to see Mr. Carlson.
我来见Carlson先生。
It's a beautiful country with several chains of mountains.
这个国家很美，它有很多山脉。
She was not especially pretty. But she was extremely bright.
她不是特别漂亮，但她极聪明。