Ulmic acid
[化] 赤榆酸\\n[医] 榆酸
🧩 词语组成解析
棕腐质的
🗣️ 情景例句
Stone has been out of work for three months.
世通已失业三个月了。
He had visions of success and fame.
他梦想功成名就。
We're having trouble arranging for a carrier.
因为货运公司的安排有问题。