Normuscone
(=cyclopentadecanone)环十五酮
🗣️ 情景例句
I'm dieting to keep my figure.
我正在节食以保证身材。
From 4 to 4:30.
四点到四点半。
As it is only six feet across, it is barely noticeable.
仅6英尺宽，很难被发现。