Pentadecanone
十五烷酮
🗣️ 情景例句
He plays games with his daughter every night after work.
下班后他每晚都和他的女儿玩游戏。
Where are you calling from?
你从哪打来的？
He did very badly on the exam----worse than expected almost the worst in the class.
他考的不好，比期望的还糟。几乎是全班最差的。