单词：Scytonemin
是一种位於蓝绿藻外鞘上的色素
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As a little girl growing up in a poor Ohio neighborhood in the 1940's, Gloria Steinem dreamed of becoming a movie star or a dancer. In college, she studied journalism, and when she saw that reporter jobs seemed to go to men, she became a freelance wr
发表于:2018-12-02 / 阅读(168) / 评论(0)
VOA双语新闻 Bilingual News
VOA双语新闻 Bilingual News
1. agronomy /ə'ɡrɒnəmɪ/ -- (literally,land management) branch of agriculture dealing with crop production and soil management; husbandry The science of agronomy helps farmers obtain larger and better crops. 农业经济学帮助农民获得更多更
发表于:2018-12-30 / 阅读(115) / 评论(0)
突破英文词汇
突破英文词汇