Co-relation theory
[电] 关联理论
🧩 词语组成解析
[医] 钴(27号元素)
🗣️ 情景例句
have become good friends, haven't you?
成了好朋友，不是吗？
The pen is the tougue of the mind.
笔是心之舌。
Don't let this get you down.
不要为此灰心丧气。