Proanthocyanidins
原花色素
🗣️ 情景例句
How did you get to know her?
你是怎么认识她的？
A person must strain one's ears to hear a wild animal in the forest.
在森林里，人类必须对野兽竖起耳朵才行。
During the summer, I noticed tat the leaves of the tree were beginning to wither.
到了夏天，我发现树叶开始枯萎，