Decalone
[化] 萘烷酮
🗣️ 情景例句
She is a fantastic swimmer.
她游泳游得非常好。
What kind of hero is that?
这样算什么英雄好汉？
What about your sister Kate? You didn't come together, did you?
你的妹妹凯特呢？你们不是一起进校的，对不对？