Contarnic acid
[建] 可他酸
🧩 词语组成解析
🗣️ 情景例句
Thank you.
谢谢。
I hope to conclude some business with you.
我希望能与贵公司建立贸易关系。
A great many goods were sent to the exhibition from various parts of the world.
大量的商品从世界各地运送到了博览会，