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rethinking the role of flying ‘pests’ 包含10239个检索结果
CAMBRIDGE, Massachusetts — Harvard University President Lawrence H Summers stressed Harvard's obligations to support the nation in its war efforts and called for a rethinking of academia's attitudes ……
2001年09月08日
of the Rabbit” for Chinese people, they were horrified.In Australia, rabbits are terrible pests, which do...节兔子) in Australia. They could quite happily fill the same role in the zodiac. What is more, they are an ……
2011年09月25日
amount of insects eaten by spiders shows just how important their role in protecting plants from pests is.The eight-legged creatures also have very good survival mechanisms (机制). Spiders have been ……
2017年03月23日
on their back. Farmers like ladybugs because these insects eat pests (害虫). One ladybug can eat up to 5,000 pests in its lifetime!Dragonfly eyes 蜻蜓的眼睛真神奇Hey, I’m a dragonfly. I have two big compound ……
2016年06月15日
in color. There are black spots on their back. Farmers like ladybugs because these insects eat pests (害虫). One ladybug can eat up to 5,000 pests in its lifetime!Go away, mosquito!蚊子请走开!Hum, hum, I’m ……
2016年06月23日
Less flying... more walking. ……
2011年12月25日
Less flying... more walking. ……
2011年12月25日
rethinking its production methods for the first Rolls-Royce to be built under its ownership. Like VW... and Bentley plant in Crewe, England, is serving as an unofficial role model for the new exclusive German ……
2001年06月28日
a "flying car". It is called the Transition. It is a plane, but you can also drive it like a car.The Transition can carry two people. It looks like a small plane when it's flying. But when itlands(着陆 ……
2006年09月17日
pests. They use the drinks because they are cheaper and more effective. A farmer described how the famous drinks kept his crops safe from pests. "We found that all the colas had the same effect ……
2004年11月12日
) and other insects to keep harmful pests (害虫) off their crops.Producers and supermarkets are putting...剂). The insects include ladybugs and wasps (黄蜂), which eat many kinds of pests. At Asda, a British ……
2010年09月05日
. There is a modern agricultural base (现代农业基地) at the school. Students can water plants, keep pests (害虫) away.... Students can water plants, keep pests (害虫) away, and do more to experience the joy of labor. ……
2023年09月24日
flying in the sky? They are locusts (蝗虫). Billions of them hit many parts of Africa at the start of 2020. Locusts are among the most dangerous pests (害虫) in the world. They eat crops and make people ……
2020年12月28日
a vital role in the lives of their children even though they are in college," said Xu Jinwu, vice... seriously.Even those who support the move say it still needs rethinking when it comes to what ……
2003年10月08日
for the autumn harvest. Modern technology is playing a key role in farming. Drones (无人机), apps, driverless... for the autumn harvest. Modern technology is playing a key role in farming. Drones (无人机), apps ……
2022年04月17日
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