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
Great! Pass me the hammer.
很好！把钉锤给我。
The child is father of (or to) the man.
三岁定终身。
He says that all this happened after I started work.
他说，这一切都是在我开始工作后才发生的。