单词：ammonia checker
单词：ammonia checker 相关文章
Recording technology has changed a lot over the years, but you can still do one essential thing. You sit in front of a microphone and you tell a story, which here we are again this Friday morning because it's time for StoryCorps. It's an oral history
2007年NPR美国国家公共电台
Delbert figured the bill would be a little over $15. He had bought seven Hersheys Special Dark 5-ounce chocolate bars. They were on sale, reduced from $1.49 to $1 each. He had studied the various deals on toilet paper. You need a calculator to figure
365个英语简短小故事
Let's learn how to play the game of checkers. Two players choose one color of the round disks known as checkers. In this particular game, the checkers are red and black. There are 12 black checkers and 12 red checkers. The checker board consists of 6
中级类英语听力
Rod was a manager at House Depot. He worked about 50 hours a week. He loved his job, although the extra hours cut into the time he could spend with his three little girls. One morning he was supposed to go home at 7 a.m. Instead, he stayed on to help
365个英语简短小故事
Eye halve a spelling checkerIt came with my pea sea.In this poem some words have been substituted by homophones - words with the same sound but different spelling. It proves that computer spelling checkers are not infallible! Eye Halve a Spelling Che
原版英文故事与诗歌
Good morning, from the CNN center here in Atlanta. I am Melissa Long. Its a Tuesday, August 4th and heres a look at some of the stories making news at this hour. Iran is finally confirming that it has arrested three American travelers, three America
CNN2009年(八)月
This is the VOA Special English Agriculture Report. University of Delaware scientists say trees can reduce emissions of dust, ammonia and odor from poultry farms Planting trees around poultry farms can improve air and water quality -- and please the
VOA慢速英语2008年（九）月
This is the VOA Special English Agriculture Report. Planting trees around poultry farms can improve air and water quality -- and relations with neighbors. Research has shown that just three rows of trees near poultry houses can reduce the release of
VOA慢速英语2009年（九）月
International Trademark Laws Vital to Global Businesses Companies go to great lengths to protect their trademarks and logos. A recent conference by the United States Patent and Trademark Office (USPTO) highlighted the importance and the difficulty of
VOA标准英语2011年(十月)
A: How much do you think that I should ask for my house? B: Well, there are a lot of factors involved in setting an asking price. A: What do you look at when setting an asking price? B: We need to look at the selling prices for similar homes in the a
卖房英语情景对话
On Alternate Earth, there are Stripers and Checkers. The Stripers have stripes. The Checkers have checks. Stripers and Checkers with only two colors are rich and powerful. Those with fifty colors are the middle class. Those with 100 colors are often
英文短篇故事（纽约）
Two weeks later, Brian bought a sturdy wooden stick. He took it into Gristedes. He bought his groceries. The checker put them in four double plastic bags. He took the stick and the four heavy bags outside. He put the bags on the sidewalk. He put two
原版英语小短文
KIEV, Aug. 6 (Xinhua) -- The death toll in a chemical plant explosion in eastern Ukraine's Donetsk region has risen to 5 after two of the wounded succumbed to injuries, the Ukrainian State Service for Emergencies said on Tuesday. The blast occurred a
英语新闻