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
I will serve coffee and pumpkin pie.
我来准备咖啡和南瓜派。
Here are the two originals of the contract we prepared.
这是我们准备好的两份合同正本。
He told him he had better return it or he would call the police.
告诉他最好把羊交还，否则就去叫警察。