Ulmic acid
[化] 赤榆酸\\n[医] 榆酸
🧩 词语组成解析
棕腐质的
🗣️ 情景例句
The checkout counters are very busy.
收款台都很忙。
The best physicians are Dr. Diet, Dr. Quiet, and Dr. Merryman.
节食博士、精心博士、快乐博士，三人都是最好的医生。
Put them away, please. You must look after your things.
把他们放好。你得能看好自己的东西。