Co-relation theory
[电] 关联理论
🧩 词语组成解析
[医] 钴(27号元素)
🗣️ 情景例句
we're all in for trouble.
我们都会吃不消的。
Who has never tasted bitter, knows not what is sweet.
不尝黄连苦，怎知蜂蜜甜。
He's been there for over two years. He's been there since two years ago.
他到校有两年多时间了。他两年前就到那儿学习了。