nubble
['nʌbl]
n. 小块, 瘤, 结节
例句与用法:
That's the nub of it.
关键就在这里。
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。
词形变化:
形容词: nubby |
n.
(煤等的)一小块; 小瘤