单词：useful insects
useful insects的用法和样例：
例句
- Beneficial insects are allowed to flourish to keep pest insects in check.益虫得以繁衍，以遏制害虫的数量。
单词：useful insects 相关文章
Living With Insects and Spiders Judith: Ahh! Get it off me! Murad: Its just a tiny spider. Dont freak out. Judith: I hate spiders. What is this place youve brought me to? Murad: Its one of the most beautiful spots in the world and well be staying her
2013年ESL之日常生活
Some people love insects and others absolutely hate them. I cant count how many of my friends are terrified of insects. I have one friend who jumps and screams at the sight of the tiniest bug. Hes over forty years old! My son loves insects. He has ma
听一分钟英文-I
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
(科普英语)Earth and Sky
Broadcast: Jan 29, 2003 The use of insects as agents of warfare is not a new idea. In the 2) Biblical story of the 3) Exodus, one of the 4) plagues visited upon the Egyptians was a horde of 5) locusts
VOA2003（上）-科技先知
Some people love insects and others absolutely hate them. I cant count how many of my friends are terrified of insects. I have one friend who jumps and screams at the sight of the tiniest bug. Hes over forty years old! My son loves insects. He has ma
纯正英语一分钟
Look at this, she said. He looked. He looked inside a plastic bag. There was rice inside the bag. But something else was inside the bag. What are these things? he asked. They were insects. The insects were crawling around. A lot of insects were crawl
简单慢速英语阅读
It is common to see many different kinds of insects while spending time outside in the summer. Some of these tiny creatures do not bother people and can even add beauty to the natural environment. Examples of these are insects like ladybugs, butterfl
2018年VOA慢速英语(十)月
UNIT SIX A field trip [00:07.34]Let's chant [00:09.82]Let's go on a field trip.There's so much to do. [00:17.21]We can collect leaves,and take picctures,too.We can watch the ants and see what they eat [00:24.92]Let's go on a field trip.It's quite a t
人教版小学英语五年级
Australian researchers have studied the navigation skills of insects to develop a pioneering weapons-guidance system. The insect-inspired tracking technology has been launched at an air show in the southern state, Victoria. Australian army captain i
VOA标准英语2009年(三月)
Plants Weaken Without Insects Bugging Them Evolutionary pressures The new study examines how insects and plants are still co-evolving. Anurag Agrawal studies evolution in real-time. The Cornell University professor of ecology and evolutionary biology
VOA标准英语2012年(十月)
3-D X-ray Provides Detailed Images of How Living Insects Move German researchers have now developed a 3-D x-ray machine that can look inside living insects for a detailed picture of how they move, as they move. The mechanics of insects bodies has lon
VOA标准英语2014年(六月)
AGRICULTURE REPORT - Controlling Garden Insects with Spiders By Bob Bowen Broadcast: Tuesday, February 08, 2005 I'm Gwen Outen with the VOA Special English Agriculture Report. Spiders kill more insect
农业与发展