Catechuic acid
[医] 儿茶酸, 儿茶素
🧩 词语组成解析
🗣️ 情景例句
The newspapers don't come out till about ten o'clock.
报纸要差不多十点钟才出来。
The timid child would not leave his mother's side.
那个胆小的孩子不愿离开母亲。
But I guess we've got some of the most beautiful mountains and countryside in the world.
但我想我们有一些世界上最美的山脉和乡村。