Co-occurrence
n. 同现
🧩 词语组成解析
[医] 钴(27号元素)
🗣️ 情景例句
I always worry.
我一向担心。
I invited him to come over, but he wouldn't.
我请他过来，但是他不肯。
'You must give up fishing!' my friends say.
“你可别再钓鱼了！”我的朋友们说，