Flavanol
黄烷醇
🗣️ 情景例句
OK, here are the walnuts.
嗯， 核桃在这 。
We know not what is good until we have lost it.
有的时候不爱惜，失了以后空叹息。
(Two weeks later. The woman arrives at the farmer's house.)
（两周后，妇女来到农民的家。）