1 a dry fruit that consists of a hard shell with a seed inside. Many types of nut can be eaten 坚果;硬壳果
2 a small piece of metal with a round hole in the middle through which you screw a long round piece of metal (a bolt) to fasten things together 螺母;螺帽
☞picture at bolt 见bolt插图
nut/nʌt; nʌt/n [C]1 a large seed that you can eat, that usually grows in a hard brown shell (坚)果仁: a cashew nut 腰果2 a small piece of metal with a hole in the middle that is screwed onto a BOLT to fasten things together 螺母﹐螺帽3 informal someone who is crazy or behaves strangely【非正式】疯子﹔怪人4 golf/opera etc nutinformal someone who is very interested in golf etc [→ fanatic]【非正式】高尔夫球/歌剧等迷
nutnutnutsnuttednuttingnoun1a dry fruit that has a hard outside part with a seed inside. Many types of nut can be eaten: walnuts, hazelnuts and peanuts2a metal ring that you put on the end of a long piece of metal (called a bolt) to fix things together