Fulvic acid
棕黄酸，褐菌素; 富里酸
🧩 词语组成解析
🗣️ 情景例句
Well, I didn't really exercise.
嗯， 我没有真的上健身课。
The plate is dirty, Would you bring me a clean one, please?
这碟子是脏的，请你拿个干净的给我。
What's the matter with your foot, Jane?
珍妮，你的脚怎么了？