Co-occurrence
n. 同现
🧩 词语组成解析
[医] 钴(27号元素)
🗣️ 情景例句
She majored in math and physics at university.
她在大学里主修数学和物理。
That's too much!
太过分了！
We've got some cheaper ones in the back room.
后面房间里有一些比较便宜的。