nut
名词：
名词: nutter
更多词形：
名词: nutter | 动词过去式: nutted | 动词过去分词: nutted | 动词现在分词: nutting | 动词第三人称单数: nuts |
单词例句：
You must be off your nut!
你准是疯了！
He who will eat the nut must first crack the shell.
不劳动者不得食。
The question of world hunger is a very hard nut to crack. I doubt if we'll find the answer to it in my lifetime.
世界性的饥饿问题是个极其难以解决的问题，我恐怕人们在我这一辈子都找不出解决的办法。
Rhodium over silver plate. Brass nut, Gold plate.
香蕉插，纯黄铜镀金，镀银上镀铑。
He soon came up with a nut which had fallen off.
一会儿他来了，拿着一颗脱落下来的螺帽。
She's a tough nut to crack; I don't think she'll give us permission.
她这个人不好说话，我想她不会答应我们的。
The shell enclosing the meat of a nut.
坚果外壳包围果果肉的硬壳
And so with solids such as a shell,a nut,a plum.
对于下述实际形态也是如此，例如一个贝壳，一个核桃，一个李子。
It was then a tough nut to crack.
在那时是一桩很棘手的事。