Egg Cells 卵细胞 Do you know what an egg cell is? 你知道什么是卵细胞吗? An egg cell is necessary for reproduction. 卵细胞是繁殖的必要条件。 Animals have egg cells. 动物有卵细胞。 Then does every animal have egg cells

发表于:2019-01-10 / 阅读(74) / 评论(0) 分类 与美国小学生一起学英文第10册

Diseases Jump Borders to Infect African Livestock 疾病跨境感染非洲牲畜 The United Nations Food and Agriculture Organization is urging farmers to be on guard against transboundary animal diseases. Officials warn that ticks, lice and other pe

发表于:2019-01-12 / 阅读(73) / 评论(0) 分类 2015年VOA慢速英语(九)月

Dinosaurs, whales, birds, humans, even fish all are tetrapods, which clearly suggests they come from a single common ancestor. 恐龙、鲸、鸟、人甚至鱼都是四足动物。这显然表明,它们出自一个共同的祖先。 The clue to th

发表于:2019-01-17 / 阅读(62) / 评论(0) 分类 万物简史

Their alarms calls indicate the predator's size, shape, speed, and, 它们的警报展现了捕猎者的大小、体型、速度 even for human predators, what the person is wearing and if he's carrying a gun. 甚至包括人类狩猎者的穿着,以

发表于:2019-01-17 / 阅读(56) / 评论(0) 分类 TED演讲教育篇

All animals communicate. 所有动物都会相互交流。 Crabs wave their claws at each other to signal that they're healthy and ready to mate. 螃蟹相互挥舞钳子表明它们健康并准备交配。 Cuttlefish use pigmented skin cells called

发表于:2019-01-17 / 阅读(72) / 评论(0) 分类 TED演讲教育篇

Lesson 10 Nature 第十课 大自然 June 22 6月22日 Night Animals 夜间动物 Read it! 读读看! Susie is writing a report on the zoo's new program! 苏希正在针对动物园的新活动方案撰写一篇报导! The program is called Night

发表于:2019-01-23 / 阅读(79) / 评论(0) 分类 大家说英语

Conversation A 对话A Rob: Today, I'm interviewing Anna Wild! She works at the city zoo. Welcome to the show, Anna! 罗布:今天,我们要访问一下安娜怀尔德!她在城市动物园工作。欢迎来到我们的节目,安娜! Anna:

发表于:2019-01-23 / 阅读(54) / 评论(0) 分类 大家说英语

Today some of Sprigg's original Ediacaran specimens, along with many of the other fifteen hundred specimens that have been found throughout the Flinders Range since that time, 今天,斯普里格的埃迪亚卡拉标本原件,与自那以后在整个

发表于:2019-01-29 / 阅读(79) / 评论(0) 分类 万物简史

I never heard one say anything, he replied. 我从来没听说过动物会说话,多里安医生说, But that proves nothing. 不过这不证明什么。 It is quite possible that an animal has spoken civilly to me 很可能有只动物曾经私底

发表于:2019-01-29 / 阅读(40) / 评论(0) 分类 夏洛的网

动物保护类 1.vivisection 活体解剖 2.perform. experiments on animals 在动物身上做试验 3.test animals 用于实验的动物 4.be subjected to experiments 被迫接受试验 5.animal rights 动物权利 6.clinical research 临床研究

发表于:2019-02-09 / 阅读(85) / 评论(0) 分类 雅思英语

[全屏观看] 点击右键- 另存为 可保存这个Flash影片 作品简介 : 小动物因为贪吃使得吃进嘴里的糖果无法融化,快来帮助它们消去这些五颜六色的糖果吧。 鼠标控制瞄准,左键射击。

发表于:2019-02-09 / 阅读(406) / 评论(0) 分类 英语娱乐小游戏

Dr Myron Shekell from Washington University believes Yoda in Star Wars was based on the tiny tarsier due to its huge eyes, tiny frame and the fact that it speaks a secret language. 华盛顿大学的麦伦谢凯尔博士认为,《星球大战》中的

发表于:2019-02-13 / 阅读(51) / 评论(0) 分类 阅读空间

Now, we're headed towards a world where robots are everywhere. 我们正迈入一个机器人无处不在的社会。 Robotic technology is moving out from behind factory walls. 机器人科技正在走出工厂的围墙。 It's entering workplaces,

发表于:2019-02-13 / 阅读(78) / 评论(0) 分类 TED演讲科技篇

Now, extinction is a different kind of death. It's bigger. We didn't really realize that until 1914, when the last passenger pigeon, a female named Martha, died at the Cincinnati zoo. This had been the most abundant bird in the world that'd been in N

发表于:2019-02-16 / 阅读(54) / 评论(0) 分类 英语语言学习

Science and technology 科学技术 Animal cognition 动物的认知 Man's best friend 人类的挚友 Can dogs really show empathy towards humans? 狗真的能感受人类的情绪吗? I feel your pain. 我能体会你的痛楚 DOGS quickly become

发表于:2019-02-16 / 阅读(84) / 评论(0) 分类 经济学人科技系列

Science and technology 科学技术 Bespoke pets 定制宠物 Just press print 只需按一下打印键 It will soon be possible to design and build household animals to order 按需定制宠物很快将成为现实 I could have sworn I ordered this

发表于:2019-02-16 / 阅读(126) / 评论(0) 分类 经济学人科技系列

Jet-setting stallions and high-flying hounds at New Yorks Kennedy airport can look forward to a new luxury terminal that will handle the more than 70,000 animals flying in and out every year. 纽约肯尼迪机场(Kennedy airport )里搭乘飞机的

发表于:2019-02-17 / 阅读(75) / 评论(0) 分类 阅读空间

One has 7mm venomous fangs that can pierce fingernails, others a bite so powerful it can cut a human in half and one a poisonous sting so painful it can lead to a heart attack. 七毫米的毒牙,能将人撕成两半的咬合力,让人疼出心脏

发表于:2019-02-17 / 阅读(66) / 评论(0) 分类 阅读空间

托福听力背景知识:托福听力中有大量的专业及学术词汇,这些词汇大多依托于听力背景知识,如果考生能够事先了解一些托福听力的背景知识,对听懂听力对话及段子有很有帮助。 Darvinism

发表于:2019-02-18 / 阅读(43) / 评论(0) 分类 托福英语

every inch 彻底的,不折不扣的 Mary is every inch a leader. We all like her. Mary是一位不折不扣的优秀领导,我们都喜欢她。 I saw a lot of animals in the zoo. It was every inch a great experience! 在动物园我看到了很多

发表于:2019-02-23 / 阅读(71) / 评论(0) 分类 愉悦口语