单词：phenyldimethanal
单词：phenyldimethanal 相关文章
WORDS AND THEIR STORIES - Dime By Jerry Watson Broadcast: Sunday, August 22, 2004 Revised by Xiao Jinyin( jinyinx@***.com ) In the 1930s, a song
WORDS AND THEIR STORIES
dime是值十美分的硬币。 dime的价值虽然是nickel的两倍， 但是dime也只是一枚很小的硬币，而且dime跟 nickel相比是既小又薄，原因是过去曾经用比镍贵重得多的银子来铸造dime。 Nickel-and-dime既可以
美国俚语
In the brown shag carpet of a cheap motel In the dark and dusty corner by the TV shelf Is a small reminder of a simpler time When a crumpled up pair of trousers cost a brand new dime Well you ask me how I made it through and how my mint condition cou
英文特辑精选
Many of the Burgess specimens have now been assigned to living phyla just where Walcott put them in the first place. 许多布尔吉斯标本现在已经归到活着的动物的门里就是沃尔科特最初放置它们的地方。 Hallucigenia and s
万物简史
This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro
Scientific American(三)月
Fun Fact: Alligators Can Regrow Teeth 有趣的事实：短嘴鳄可以再长牙齿 Fun fact about alligators: they can regrow any of their eighty teeth up to fifty times. Which is pretty impressive, especially compared to us relatively dentally chal
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its time again for the A Moment of Science mailbag. A listener writes: Dear A Moment of Science, Ive always been fascinated by volcanoes. So I was wondering: How well can scientists predict when and where a volcano will erupt? Intersting question. Th
英语听力文摘 English Digest
图片1 图片2 by Jason Marshall A few articles ago, I asked if you ever found yourself at restaurants fumbling to figure out how much to tip; I guessed that you might occasionally resort to seeking advice from your smart phone; and I told you that
数学英语
This is Scientific American's 60-Second Science. I am Steve Mirsky.Got a minute? Talk about your vicious cycles. A new study finds that belly fat could be making you hungrier. Which would lead to more belly fat. The research was performed at the Univ
Scientific American(四)月
Algae seem harmless enough. These precursors to plants thrive throughout the world's waters. But these single-celled plants have global consequences. We can thank them for oxygen in the atmosphere, oil in the lithosphere as well as dead zones in the
Scientific American(十一)月
一个客户在电话线上和我就一笔生意讨价还价，硬要在我的报价上要砍掉一角钱，当时我和他据理力争，他说：I'm not trying to nickel and dime you. 我当时就冲口回答：I don't need your nickel and dime.（我
美国俚语
我们上次学的几个习惯用语都含有表示五分硬币的词nickel。今天要学的习惯用语里的关键词汇是币值仅高于nickel的dime。然而出乎意料的是dime比 nickel和一分硬币penny都要小。它是美国钱币中最小
美国习惯用语
我们上一次讲了由penny 也就是分币组成的几个习惯用语。美国人用的硬币除了penny还有好几种。例如，价值比penny高一点儿的有五分和一毛的硬币。它们是: nickel and dime。不论Nickel还是dime都是零
美国习惯用语
President Obama Sets His Goals for 2013 From VOA Learning English, this is IN THE NEWS in Special English. President Obama set out goals for his second term earlier this week during his fifth State of the Union message to Congress. The president spok
2013年VOA慢速英语(五)月
IN THE NEWS - President Obama Sets His Goals for 2013 新闻报道 - 奥巴马确立2013年执政目标 From VOA Learning English, this is IN THE NEWS in Special English. 这里是美国之音慢速英语新闻报道。 President Obama set out goals
2013年VOA慢速英语(二)月
上一次我们学了几个由penny这个词组成的习惯用语。 Penny是美国货币中价值最低的，而今天要学的习惯用语都包括nickel这个词，nickel的价值仅高于penny，是值五美分的硬币。Nickel通常指一种银白
美国习惯用语
WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo
英语新闻
Nickel or Dime? 5分钱还是10分钱？ Little Johnny used to hang out at the local corner store. The owner didn't know what Johnny's problem was, but the older boys would constantly tease him. 小约翰尼过去常在街角的商店附近闲逛。店
英语小达人
Cake - Dime In the brown shag carpet of a cheap motel In the dark and dusty corner by the TV shelf Is a small reminder of a simpler time When a crumpled up pair of trousers cost a brand new dime Well you ask me how I made it through and how my mint c
流行英文歌曲