Plants vs. Insects 植物和昆虫 New research is shedding light on one of the longest running battles of all time -- the war between plants and insects. Plants may seem helpless, but they have complex chemical defenses. Plants vs. insects -- today on E

发表于:2018-12-07 / 阅读(65) / 评论(0) 分类 (科普英语)Earth and Sky

44 用来控制有害树种的昆虫 DATE=6-1-01 TITLE=ENVIRONMENT REPORT - Insects to Control Harmful Trees BYLINE=George Grow (Start at 1'01

发表于:2018-12-07 / 阅读(50) / 评论(0) 分类 文化聚焦

Scientists Fear Non-Pest Insects are Declinin Butterflies are as beautiful as the flowers they feed on.But they appear to be less abundant than in years past and that has scientists worried.Because butterflies, bees and other beneficial bugs pollinat

发表于:2018-12-08 / 阅读(57) / 评论(0) 分类 VOA标准英语2018年(九月)

Why Is Insect Blood Green Or Yellow?为什么昆虫的血是绿色的或是黄色的? Youve probably heard someone use the phrase blood red, but have you ever wondered if all blood really is red? For example, think about the bugs youve seen splatter

发表于:2018-12-28 / 阅读(121) / 评论(0) 分类 初学者听力文摘精选

Imagine that youre an insect, and that youve fallen ill because some bacteria or parasites have invaded your body. If you want to make it to a ripe old bug age, your body will need to fight off these invaders. 想象一下,假如你是一只小昆虫

发表于:2018-12-28 / 阅读(112) / 评论(0) 分类 初学者听力文摘精选

The Bug Detectives Insects can accurately tell us when someone died. But their lifecycle is crucially affected by one factor above all: temperature. So sometimes, getting them to tell us their secrets

发表于:2018-12-30 / 阅读(357) / 评论(0) 分类 英语沙龙2004全年合辑下

The Bug Detectives Forensics 1 has always used anything that science can give us to cope with various crimes. But forensics has always had its limits. In fact there are major factors in any murder tha

发表于:2018-12-30 / 阅读(166) / 评论(0) 分类 英语沙龙2004全年合辑下

外媒称未来将有多种昆虫走上餐桌 Even though insects are a delicacy in some parts of the world, to many people, the thought of eating them is downright disgusting. 尽管世界上某些地区将昆虫视为美味佳肴,但对大多数人而

发表于:2019-01-14 / 阅读(56) / 评论(0) 分类 VOA标准英语2016年(二月)

粮农组织倡导将昆虫作为食物 Even though insects are a delicacy in some parts of the world,to many people, the thought of eating them is downright disgusting. 尽管对于世界上一些地区来说昆虫是一种美味,但一想到吃虫子

发表于:2019-01-14 / 阅读(55) / 评论(0) 分类 VOA标准英语2016年(二月)

But even though the insect brain is organized very differently from ours, there are some striking similarities. 虽然昆虫与人类大脑的组成大相径庭,但是仍有很多惊人的相似之处。 For example, most insects have smell detecto

发表于:2019-01-17 / 阅读(77) / 评论(0) 分类 TED演讲教育篇

The human brain is one of the most sophisticated organs in the world, 人类的大脑是世界上最复杂的器官之一, a supercomputer made of billions of neurons that processes and controls all of our senses, thoughts, and actions. 一个由数十

发表于:2019-01-17 / 阅读(75) / 评论(0) 分类 TED演讲教育篇

Insect exoskeletons also work like body armor, 昆虫的外骨骼就像保护身体的盔甲一样 protecting insects against the outside world and helping them cope with habitats that other creatures can't. 抵御外部环境的伤害,帮助它们应

发表于:2019-01-17 / 阅读(80) / 评论(0) 分类 TED演讲教育篇

If insects suddenly morphed into large beings, and decided to wage war on us, there's no doubt that humans would lose. 如果有一天,所有的昆虫突然都变大了并且要和我们开战,那我们人类必输无疑。 We'd simply be crushed

发表于:2019-01-17 / 阅读(73) / 评论(0) 分类 TED演讲教育篇

Real live insects like spiders, locusts, and butterflies play crucial roles in many memorable blockbuster films. 蜘蛛、蝗虫和蝴蝶之类活生生的昆虫,在许多令人印象深刻的卖座电影中都担任关键要角。学习重点: 1

发表于:2019-01-20 / 阅读(48) / 评论(0) 分类 留美老师带你每日说英文

Ya?l: Somebody bought my daughter a game called Cuddies. Don: I love that game! Y: I don't know about that. But the little plastic tongue-like part of that strange insect like body did inspire me to wonder about taste and insects. Do insects have t

发表于:2019-01-26 / 阅读(65) / 评论(0) 分类 英语听力文摘 English Digest

Science and technology 科学技术 Insect acrobatics 昆虫的绝活 Flipping roaches 非常蟑螂 How cockroaches vanish 蟑螂是怎么消失不见的? ANYONE who has tried to swat a cockroach will know those insects' strange ability, in the hea

发表于:2019-01-30 / 阅读(62) / 评论(0) 分类 经济学人科技系列

A policy on eating insects is being formally considered by the UN Food and Agriculture Organisation (FAO). Using insects instead of beef and mutton not only meets food supply brought by high growth of global population, but also reduces greenhouse ga

发表于:2019-02-07 / 阅读(67) / 评论(0) 分类 实用英语

[全屏观看] 点击右键- 另存为 可保存这个Flash影片 介绍说明: 推荐指数:★★★ 可爱的昆虫对抗游戏。游戏中按Buy units购买兵种,Launch battle开始战役。你得不断地建造各种兵种才行。

发表于:2019-02-09 / 阅读(58) / 评论(0) 分类 英语单机游戏

Methuselah Insect 昆虫的寿命相对于地球上的其他生物而言,算比较短的,不过有一种昆虫的寿命相当长,那就是一种能17年的蝉。蝉寿命虽长,却要在土里面沉睡17年,当它睡醒之后,从土里钻出

发表于:2019-03-09 / 阅读(225) / 评论(0) 分类 英语听力文摘 English Digest

A growing number of the Earths insect population now exists only in collections like these. Nobodys seen those 400 years. A new review of over 70 studies of insect populations suggests that human pressures are causing insect populations to plummet by

发表于:2019-03-11 / 阅读(1578) / 评论(0) 分类 VOA标准英语2019年(二月)