"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"
来自柯林斯例句
来自柯林斯例句
来自《权威词典》
来自《现代英汉综合大词典》
来自辞典例句