基本词汇
n.小肿块；要点；核心
形容词: nubby
详情解释
英英释义
"a nub of coal"
"a stub of a pencil"
"the gist of the prosecutor's argument"
"the heart and soul of the Republican Party"
"the nub of the story"
经典引文
A remarkable gift..of grasping the nub of what was going on.
出自：P. Howard
