单词：tropylium salt
单词：tropylium salt 相关文章
Mike looked at the label on the big plastic container. It said Garlic Powder. There was a U with a circle around it after the word Powder. What does this U mean, Mike wondered. Under the word Powder was another word, Seasoning. Under that word was a
365个英语简短小故事
06 食盐与血压的关系 DATE=2-22-01 TITLE=SCIENCE REPORT - Salt and Blood (1)Pressure BYLINE=Jerilyn Watson （Start at 1'00
科技之光
This is the VOA Special English Health Report. Even a small reduction in salt in the diet can be a big help to the heart. A new study used a computer model to predict how just three grams less a day would affect heart disease in the United States. Wh
2010年慢速英语(一)月
With a grain of salt 一天吃饭的时候，好友Allen和他的中国籍太太坐在餐桌旁大谈最近流行的一种草药，说它能包治百病。Allen说了一句：“I'd like to take it wi
Modern English 洋话连篇
Where once only salt miners traveled, today, tourists track through tunnels hundreds of feet deep into the caverns of Zipaquir mountain in Colombia. Their destination, a Catholic cathedral carved from the mineral deposits of the old mine. More than 1
国家地理2007年
Does Bacon Stop Nosebleeds? Time to go the A Moment of Science mailbag. A listener writes: Dear A Moment of Science, Ive heard that pork can be used to stop a nosebleed. Is this true, or just a myth? Well, there are lots of anecdotal stories about do
英语听力文摘 English Digest
Popcorn Makes A Perfect, Healthy Snack Dear A Moment of Science, I love to snack, but I also want to lose weight. The problem is, I really hate vegetables and fruit, at least as snack foods. I want something with a little salt, a little crunch. So ar
英语听力文摘 English Digest
Once, there lived a peddler. The peddler sold all sorts of goods.sturdy shoes for the farmers and pretty trinkets for their sweethearts, warm, woolly shawls to keep the women warm and sweet, sticky toffees for the children to munch on their way back
英语小短文
我们今天要学的习惯用语都包括这样一个关键词汇，salt。 Salt这个词大家都熟，是盐。人们在生活中少不了它，一切活细胞也都需要它，人们意识到盐的重要性已经有好几个世纪了，所以由s
美国习惯用语
AGRICULTURE REPORT -May 21, 2002: Irrigation and Salt By George Grow This is the VOA Special English AGRICULTURE REPORT. Irrigation is the watering of land by other than natural methods. Irrigation pr
农业与发展
Why Salt Clump s 为什么盐会结块？ You probably noticed that sometimes the salt gets clump y . If its really humid outsidethere may even be condensation on top of the salt shaker. The reason this happens is that salt is hygroscopic . Hygroscop
英语听力文摘 English Digest
Salt vs. Ice 食盐大战冰块 Y: Why does salt melt ice? D: It lowers the melting and freezing point of water. Y: Oh,OK.Wait,I don't get it. Doesn't that mean the salt make ice colder? D: Let me explain.Pure water freezes at thirty-two degrees Fahr
英语听力文摘 English Digest
Fish live in water, but do they drink it? The answer is yes, but how fish drink water depends on where they live. Water gets into a fish's body through osmosis, the process in which water diffuses from a higher to a lower concentration. For example,
英语听力文摘 English Digest
Low－salt，low－protein diet can prevent kidney stonesA diet low in salt and meat can dramatically reduce the risk of kidney stones，according to an Italian study that could spell the end for the low－calcium diet that doctors have been recommen
阅读空间
有些美国人干一行、怨一行，讨厌自己的工作，也有更多的人对他们的职业还算满意，然而却不愿意实话直说。这样一来他们都会使用一些带有贬意的俚语来描述自己的工作。我们今天要讲的
美国习惯用语
This is the VOA Special English Health Report. Even a small reduction in salt in the diet can be a big help to the heart. A new study used a computer model to predict how just three grams less a day would affect heart disease in the United States. Th
英语杂谈
Topics: American Cities: Salt Lake City; university admissions; within versus inside versus interior; so much for; to want out Words: to persecute temple canyon to be home to admissions to get a feel for due rank top-tier school back-up school to enr
美语听力 English Cafe
Salt I WROTE THE OBITUARY for the OBITUARIES editor. Her name was Lois Andrews. Breast cancer. She was only forty-five. One in eight women get breast cancer, an epidemic. Loiss parents had died years earlier. Dads cigarettes kept their promises. Moms
英文短篇小说
从柴米油盐说起 中国人用柴米油盐酱醋茶概括了生活所必须的点滴琐事，所以，一说起柴米油盐，说汉语的人头脑中第一印象就是过日子。 其实不只是中国人，全人类又何尝不是如此呢？不同
英文语法词汇
舞林争霸洛杉矶海选17岁正太配乐Pollen and Salt 《舞林争霸》在洛杉矶的海选高手辈出，其中17岁的Nathen人小艺高，完美的旋转和出色的表演征服 了观众也征服了评委。他舞蹈的配乐是Pollen and
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