[医] 恶性白喉, 坏疽性白喉

Being an American, Donna wants to learn more about the Chinese. She's talking to her Chinese friend, Jeff. D: Hi, Jeff! What's up? J: Nothing much. What about you? D: Same as usual. Here, have a stick

发表于:2018-12-08 / 阅读(245) / 评论(0) 分类 赖世雄中级美国英语

The 2009 Nobel Prize in Chemistry goes to Venkatraman Ramakrishnan of the MRC Laboratory of Molecular Biology in England, Yale Universitys Thomas Steitz, and Ada Yonath of the Weizmann Institute of Science in Israel for their studies of the ribosome.

发表于:2019-01-08 / 阅读(67) / 评论(0) 分类 Scientific American(十)月

accelerated accomplished achieved adapted administered advised affected analyzed appointed applied arranged assessed assisted attained balanced broadened budgeted built calculated cataloged chaired compiled completed composed computed conducted conso

发表于:2019-01-17 / 阅读(39) / 评论(0) 分类 实用英语

By Carol Pearson Washington, DC 06 February 2008 Recent studies show that cigarette smoking is one of the most significant factors leading to gum disease. And now, new research indicates smoking marijuana also promotes gum disease even for those who

发表于:2019-02-02 / 阅读(57) / 评论(0) 分类 VOA常速英语2008年(二月)

今天要讲的习惯用语都有这样一个关键词汇: gum。 Gum虽然是个只包括三个字母的简短的词,但是它的意思可不少。比方说,gum可以指嘴里嚼的口香糖,或者是象口香糖那样粘胶似的物质。这时

发表于:2019-02-05 / 阅读(93) / 评论(0) 分类 美国习惯用语

RIO DE JANEIRO, Sept. 27 (Xinhua) -- The leader of Fluminense's defense, Gum was announced on Tuesday to need a period of two months to recuperate from a detached tendon in his upper right thigh. With only 12 rounds remaining in the 2011 Brazilian Ch

发表于:2019-02-08 / 阅读(63) / 评论(0) 分类 英语新闻