how does chuck help at home?
题目
how does chuck help at home?
答案
做具体名词时,意思为
(a) part of a lathe that grips the object to be worked on 卡盘,夹盘（车床上用以夹住工件的部分）.(b) part of a drill that grips the bit 夹头（钻或钻床上用以夹住钻头的部分）.
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我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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