单词：gum ammoniacs
氨草胶,树胶氨[亦作 ammoniac, ammoniacum]
单词：gum ammoniacs 相关文章
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
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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
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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
美国习惯用语
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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
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趣谈英语