Valerolactam
戊内酰胺
🗣️ 情景例句
Good. Very good. Family Album, U.S.A.
不错， 很不错。 美国写真集 。
I bought 5 yard of ribbon.
我买了五码缎带。
It is not just farmers who are complaining.
并不仅仅是农民在抱怨。