Chrysoketone
[化] 柯甲酮; 1,2-苯并芴酮
??? 情景例句
Five hundred dollars, please. And could you give me ten dollar in small change?
請換500美元。再另外能否給我10元的小面額零錢？
Your face tells it all.
你的表情透露了一切。
The officer unscrewed the cap and put the bottle to his nostrils.
海關官員擰開瓶蓋，把瓶子放到鼻子底下。