Cocatanic acid
[建] 柯卡丹宁酸
🧩 词语组成解析
🗣️ 情景例句
No, I'm sorry. This is our rock-bottom price.
很抱歉，这是我们的最低价格。
We used to have a lot of interesting friends.
我们过去常有很多有趣的朋友。
Would you like to go to a party with me?
你想不想和我一起去参加一个聚会？