单词：phosphorus salt
单词：phosphorus salt 相关文章
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
The little splints of wood which we call matches are made out of deal or pine wood which has been soaked in melted paraffin wax to make it burn more easily. 这种被我们称之为火柴的薄木片由欧洲赤松（松树）制成, 在液体的石蜡
英国学生科学读本
Have you ever had a problem getting a match to light? If so, you might be using the wrong type of match. There are actually two different types of matches: safety matches and strike-anywhere matches. 以前你点燃火柴时有没有点不着的时候呢
2018年NPR美国国家公共电台2月
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
This is Scientific American's 60-Second Science, I'm Christopher Intagliata. Got a minute? Life on earth requires six basic ingredientscarbon, hydrogen, nitrogen, oxygen, sulfur and phosphorus. Those six elements are the building blocks for DNA and R
Scientific American(十二)月
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
This is the VOA Special English Agriculture Report. Hogs at an Ohio farm Research shows that waste from pigs that are fed a special kind of corn may help a farmer's crops. And it also may help the environment. Any farmer who raises swine knows that
VOA慢速英语2008年（八）月
By Peter Fedynsky Moscow 18 July 2007 Officials in Ukraine are assessing the damage of a train crash in western Ukraine that sent huge clouds of burning phosphorus billowing into the air. The accident, which took place Monday, is raising health conce
2007年VOA标准英语（七月）
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
MARY LOUISE KELLY, HOST: Summertime brings algae blooms to many parts of the country - those mats of bright green organisms that can blanket waterways. In places like Florida's Lake Okeechobee, the blooms hurt tourism. They kill fish. They threaten w
2018年NPR美国国家公共电台7月
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
The commercial potential for the stuffwhich soon became known as phosphorus, from Greek and Latin roots meaning light bearingwas not lost on eager businesspeople, but the difficulties of manufacture made it too costly to exploit. An ounce of phosphor
万物简史
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
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
Matches Striking matches, on this Moment of Science. Have you ever had a problem getting a match to light? If so, you might be using the wrong type of match. There are actually two different types of matches: safety matches and strike-anywhere matche
英语听力文摘 English Digest
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
影视英文歌曲