[化] 卡前列素

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(74) / 评论(0) 分类 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

发表于:2019-01-11 / 阅读(82) / 评论(0) 分类 VOA标准英语2009年(五月)

Jon Batzdorff Makes People's Dreams Come True Jon Batzdorff has made it his life's work to help amputees, not only in the United States, but around the world. His business is prosthetics and orthotics - the evaluation, fabrication and custom-fitting

发表于:2019-01-14 / 阅读(121) / 评论(0) 分类 VOA标准英语2011年(六月)

Asia 亚洲 Alcohol in Indonesia 印尼的酒 Dry Talk: Debating A Ban on Booze. 禁酒之争。 ONE of Indonesias newest brands of beer, Prost, traces its ancestry back to 1948 when Chandra Djojonegoro, a businessman, started selling a health tonic,

发表于:2019-02-24 / 阅读(133) / 评论(0) 分类 经济学人综合
学英语单词