单词：acidic accelerator
单词：acidic accelerator 相关文章
She takes a cookie out of the package. She drops the cookie. It falls on the floor. The cookie breaks. It breaks into four pieces. Four pieces are on the floor. She picks up the pieces. She takes them to the kitchen. She throws them into the trashcan
汪培珽儿童英文分级书单三 An I can read
Police are investigating whether a faulty accelerator is to blame for a crash that injured seven servicemen during Melbourne's Anzac Day parade. The men in their 70s, 80s, and 90s were all part of a Sri Lankan ex-servicemen's association. The driver
澳洲ABC新闻快递2010年
The United Nations says it held secret talks with the Taliban to discuss a truce. The revelation was made as Foreign Ministers gathered in London to map out a plan to hand security back over to Afghan forces. They've also unveiled a 550-million-dolla
澳洲ABC新闻快递2010年
This is Scientific American's 60 Second Science. I'm Steve Mirsky, got a minute? The Meridiana Planum region of Mars once had water that was really soft and highly acidic, conditions in incredibly hostile to any life forms that we know about. So any
Scientific American(二)月
A: Car trouble center. How may I help you? B: My car wont start! Stupid old car! A: Hold on, before you kick your car lets go through some possible problems. B: Fine. A: OK, first of all, can you turn the key in the ignition? B: Yeah! I am here with
纯正地道美语
He puts on his glasses. He needs his glasses to read. He opens a book. He reads the first page. The phone rings. He picks up the phone. It is his wife. He talks with his wife. Then she says goodbye. He says goodbye. He puts down the phone. He picks u
儿童英语小故事
He picks up his fork. He picks up his spoon. He hits the plate with his fork. He hits the plate with his spoon. His mom says Stop. He stops. His mom puts a carrot on the plate. He looks at the carrot. He picks up the spoon. He hits the carrot with th
儿童英语小故事
Fish raised in the more acidic seawater that would result from higher carbon dioxide levels forget to flee predators. More carbon dioxide emissions lead to more CO2 dissolving in the oceans, which turns the water acidic. Those sour seas slow the grow
60秒科学
More carbon dioxide emissions lead to more CO2 dissolving in the oceans, which turns the water acidic. Those sour seas slow the growth of corals. And it turns out acidic seawater also makes clownfish and damselfish suicidally bold and reckless, accor
Scientific American(七)月
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Landfills produce methanewhich can be valuable as an energy source. But scientists haven't known why landfills make so much methane. The solid waste in
Scientific American(四)月
This is Scientific American 60 second Science, I am Sophie Bushwick, got a minute~ Theyre called hydogels: Jell-O-like materials made of networks of long-chain molecules in water. And theyre as flexible as living tissue. But hydrogels could not recov
Scientific American(三)月
Force 力 A force is a push or a pull. 力是指推力或拉力。 Force gives an object the energy to move, stop moving or change direction. 力给予物体移动、不移动或改变方向的能量。 Here are some good examples of force. 这里有几
与美国小学生一起学英文第5册
如果你爱喝葡萄酒或经常遇到要喝葡萄酒的场合，学几句高大上的品酒英语尤其重要。 品葡萄酒本节课的重点词汇: 1) wine tasting 葡萄酒品酒会2) tasting flight 品酒序列3) Cabernet Sauvignon 赤霞珠4)
美国文化脱口秀
This week on Why Tell Me Why, we are finding out why the oceans are so salty. So the oceans are salty because the oceans have been around, lets say, for over five hundred million years. And over the course of time what we found out is that weve alway
自然百科2009年
Amygdala's Acidic Aspiration Answer A study in the journal Cell shows that the buildup of carbon dioxide when we stop breathing causes a pH change that signals proteins in the brain to force us to inhale. Karen Hopkin reports. Maybe its happened to y
60秒科学
This is the VOA Special English Economics Report. Toyota became the world's largest automaker in two thousand eight. But after years of building loyalty, the Japanese company may have put its quality brand name at risk, at least temporarily. Toyota i
2010年慢速英语(二)月
My wife came home yesterday and said, Honey, the car won't start, but I know what the problem is.I asked her what it was, and she told me there was water in the carburetor(化油器）. I thought for a moment, then said, You know, I don't mean this o
趣味英语
Last week while driving with her one-year old son 今天的第一位嘉宾 上周带着 our first guest experienced the most frightening event of her life. 她一岁的儿子开车时 经历了平生最可怕的事 Thankfully a hero appeared on the b
艾伦脱口秀
Don comes up with another entrepreneurial venture, but Yael straightens him out just in time. [Thunder] Y: What are you doing outside, Don? It's about to rain. D: I'm setting up bottles. Y: I can see that. But why? D: For my new business venture: bot
英语时差8，16
Acid Water Yal: What are you doing outside, Don? It's about to rain. Don: I'm setting out bottles. Y: I can see that. But why? D: For my new business venture. Bottled rainwater! Y: As in living plastic bottles out in the rain and then selling them as
英语听力文摘 English Digest