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
I also have a part-time job.
我还有一个兼职工作。
What were you doing when I called?
我打电话给你时你在干吗？
I want my kite. It's in that tree.
我在拿我的风筝，在树上呢！