Piperonylic acid
[化] 胡椒基酸; 3,4-亚甲二氧基苯甲酸
🧩 词语组成解析
🗣️ 情景例句
when Max is ready to use it?
当Max长大能使用这手套时吗？
Art is long, but life is short.
人生有限，学问无涯。
I am very impressed with her English. It was good.
我对她讲的英语印象很深。很流利。