Valerolactone
戊内酯
🗣️ 情景例句
They say it's going to rain tomorrow.
据说明天有雨。
That suit looks very good on you.
那件西装看起来很适合你。
How ever you may work hard, the boss will not be fully satisfied.
无论你有多努力，老板总不会完全满意。