单词：cytoskeletons
n a microscopic network of actin filaments and microtubules in the cytoplasm of many living cells that gives the cell shape and coherence
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Yvonne: Hello, I'm Yvonne Rob: And I'm Rob. Yvonne: And this is 6 Minute English! Now lots of people have been getting together with their relatives for Christmas and the New Year, so we thought wed talk about families today. Rob: Now BBC radio in th
六分钟英语
Ceratosaurus, for 20 million years, he'd been one of the unchallenged predators at the top of the food chain. 角鼻龙，长达两千万年间，他高居食物链的顶端，无可匹敌。 But by using new science and re-examining the evidence at
侏罗纪搏击俱乐部
Many of the people who go to Florida stop on their trip to see sights, 许多前往佛罗里达的人们会在中途停下来欣赏风景， and one of the greatest sights is in Virginia and Kentucky where the rock under the ground is all limestone. 而
美国学生世界地理教材
In the spring of 1845, my father read a book about California. This account of the wonderful land beyond the Rocky Mountains gave him the idea to move there. Less than half a year later we packed all our things onto a wagon and left our farm. It was
人教全日制普通高中英语（必修）高三(全一册)
The Alden family loved nothing better than long family car trips. They enjoyed playing games, telling stories and jokes, and having roadside picnics. Even in the car, they kept themselves busy with jobs. Grandfather Aldens main job was driving, of co
91 The Mystery at Skeleton Poi
鸣禽类的骨骼或是空的，以便飞行，然而，其骨骼密度事实上比同大小的哺乳动物要高，这样可以使身体更加有力、坚硬，满足飞行的需要。 For earthbound creatures like us, flight just seems so fantasti
60秒科学
Dinosaur Skeleton of Possible New Species Sells for $2.3 Million The skeleton of an extremely rare kind of dinosaur has sold for $2.3 million in Paris, France. The 150-million-year-old bones sold during an auction June 4 at the citys famous Eiffel To
2018年VOA慢速英语(六)月
Thai Beach Made Famous in DiCaprio Film Closes to Tourists The Thailand beach made famous in the Leonardo DiCaprio film The Beach is being closed to give it a break from tourists. The beach sits on Maya Bay on Phi Phi Leh island, off the coast of Tha
2018年VOA慢速英语(六)月
Some dinosaurs were really huge, and now we may have a better way to estimate just how heavy these giants were. Researchers have developed a method to weigh dinosaurs based on laser scans of their skeletons. The study is in the journal Biology Letter
Scientific American(六)月
MICHEL MARTIN, HOST: We're going to spend the next few minutes hearing about two unusual stories about the film industry. Long before CGI and digital animation, creatures like those in Clash Of The Titans came alive through the world of stop-motion m
2017年NPR美国国家公共电台11月
Chapter 2 第二章 Our earliest ancestors 我们最早的祖先 We know very little about the first true men. We have never seen their pictures. In the deepest layer of clay of an ancient soil we have sometimes found pieces of their bones. These lay
美国学生人类历史
The Hindus do not bury those who die; they burn their bodies on bonfires. 印度教徒不埋葬死去的人，而是将尸体放在篝火上焚烧。 Those who die in Benares are burned on the steps that lead down to the river, 在贝拿勒斯，死去
美国学生世界地理教材
2TheReef Abreezeblewthroughthewindow.Seagullscried.Waveslappedtheshore. Anniepickeduptheriddlescroll.Sheunrolledit.TogethersheandJackreadtheriddle: Roughandgrayasrock， Implainasplaincanbe. Buthiddendeepinside Theresgreatbeautyinme. WhatamI? Letsgof
汪培珽儿童英文分级书单《神奇树屋》
LAST autumn my parents were studying in Canada, and brought me over with them. It was soon my birthday. Then came Halloween (万圣节前夕). Once I asked Mum why there was Halloween. She told me a lot about ghosts (鬼). I couldn't remember it all.
阅读空间
First listen to the previous item: Journey to the South Pole. Tomorrow an exhibition called Scotts Last Expedition opens in London, in the Museum of Natural History. Captain Scott and the four men who went to the South Pole with him, died on their re
新西兰英语
Do you know the English word unearth? If you unearth something, you dig it out of the ground. Perhaps you remember the podcast about the Staffordshire Hoard, a collection of gold and precious stones which had been discovered in a field. The man who f
听播客学英语
We were sun-burned and shoeless kids It was the dead of July We were skippin' stones in the failing light I smelled the fire place Although we were miles away We were infinite There was no time in those days When all we knew wasn't stolen There was n
英文摇滚歌曲