Nub
n. 小块, 瘤, 结节, 要点
✅ 同义词
📖 牛津释义
nub
n[sing]
the ~ of sth central or essential point of a problem, matter, etc （问题、 事情等的）中心,要点
The nub of the problem is our poor export performance. 问题的关键是我们出口贸易方面太差.
🗣️ 情景例句
Yes, of course.
可以，当然可以。
I wondered if you could buy me some pencils?
我不知道你是否能替我买铅笔？
It immediately ran away when she saw it, and experts confirmed that a puma will not attack a human being unless it is cornered.
她刚看见它，它就立刻逃走了。专家证实，美洲狮非被逼得走投无路，是决不会伤人的。