Fulvic acid
棕黄酸，褐菌素; 富里酸
🧩 词语组成解析
🗣️ 情景例句
It was a pretty dumb thing to do.
做那件事真傻。
Did you sell it to him yourself?
你自己亲自卖给他吗？
She's beginning to move a little.
她开始有点能动了。