Piperonal(dehyde)
[化] 胡椒醛
🗣️ 情景例句
OK.
好的。
What do you call this in English?
这个用英语怎么说？
All the thing I had packed so carefully were soon in a dreadful mess.
所有细心包装好的东西一会儿工夫就乱成一团。