单词：Reithrodontomys tenuirostris
单词：Reithrodontomys tenuirostris 相关文章
DAVID GREENE, HOST: OK, now let's talk about some light that is probably not as good for you. This is the light coming from your smartphone or other screens. It's known as blue light. And it can really interfere with your sleep. Some people are using
2017年NPR美国国家公共电台11月
文本： 48,000 eggs fail the crack test here every day. Theyre not strong enough to safeguard their precious contents during packing, transport and storage. You might expect all these dud eggs to be wasted. But theres a big market for this liquid e
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文本： They're all natural ingredients - milk, flavourings and colourings. and of course, sugar and butter oil. 这些都是天然材料，牛奶、香料、色素，当然还有糖和黄油。
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The methane gas is burnt to produce electricity, which is then used to heat all the glasshouses. By burning the methane, John is producing a lot of carbon dioxide, and here's one of Johns really clever ideas. Tomatoes ripen much more quickly when the
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文本： The next stage, as you see here, is the second bouncing belt. This bouncing belt has holes that are small enough to let the leaf carry on going up, but large enough to let insects fall through.
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Then, Ostrum's crew made another discovery - lying next to the Raptor was a second skeleton. 紧接着，奥斯特伦姆的团队有了另一个发现，在迅猛龙旁边还有第二具骸骨。 Two Raptors, side by side. 两头迅猛龙紧挨着。
侏罗纪搏击俱乐部
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. One of the most important archaeological finds in history was the Dead Sea Scrolls. These documents include some of the earliest written records of the
Scientific American(十一)月
Archaeologists Hope to Solve Ancient Mystery Many archaeologists believe humans first migrated to North America over the Bering Strait 15,000-to-18,000 years ago. They lived a nomadic lifestyle of hunting and gathering. Then, starting about 2,000 yea
VOA标准英语2011年(八月)
文本： They look amazing. Look at that, look how much chocolate its got on it. Theres a really good one,now look at his big brother whos trying to hide away.Look at that.Thats more like a chocolate potato.There must be about six Brazil buts inther
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文本： Weve also taken from abroad an ingenious way of making foods taste smoky and festive.Smoked products. Got some smoked bacon and smoked cheese.How do you reckon they get the smoke favour into food?Burning oak chips or something like that.Rig
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文本： Lets have a little taste. Lets do the traditional one first, so this is the bacon that I smoked in the cupboard. Mmm, nice sort of wardrobe flavor actually,that smoke has done its job, and its really penetrated the bacon. And this is the ba
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文本： Nothing here gets wasted. 这里可没有可浪费的东西。 Then to make sure itll keep for as long as possible, Andy has another trick up his sleeve. 为了保证馅饼保存的时间长一些，Andy自由锦囊妙计。 post it: ① tr
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By David McAlary Washington 05 April 2007 Scientists have discovered a genetic reason why some dogs are small and others big. They say the finding has implications beyond canine size, since the work applies to the study of other complex genetic trait
2007年VOA标准英语（四月）
The Unsung Heroine Who Helped Shape 'Suicide Squad' AUDIE CORNISH, HOST: The summer's final big comic book movie opened today. Suicide Squad is not an ordinary superhero movie. For one thing, it's about supervillains. And its original story was conce
2016年NPR美国国家公共电台8月