单词：carbo-haemoglobin
碳酸血红蛋白
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一个英语单词可分为三部分：前缀（prefix）词根（root）后缀（suffix）。位于词根前面的部分就是前缀。前缀，可以改变单词的意思。 carb-, carbo- 表示碳 carbon = carb + on n. 碳 carbohydrate = carbo + h
发表于:2018-12-19 / 阅读(86) / 评论(0)
英语PK台
英语PK台
Australia's bold plans for a carbon emissions trading scheme are under threat after the conservative opposition in Canberra hardened its stance against it. Critics of Prime Minister Kevin Rudd's proposal say it would cost jobs and provoke economic u
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VOA标准英语2009年(五月)
VOA标准英语2009年(五月)
Voice 1 Welcome to Spotlight. Im Rebekah Schipper. Voice 2 And Im Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 3 I feel tired all the time. Voi
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环球英语 Spotlight