There were millions of locusts around us—a locust sandstorm.
我们周围有数百万只蝗虫——一场蝗虫风暴。
Wheat had come to nearly monopolize the region, but it was particularly vulnerable to the locusts.
小麦几乎垄断了这个地区,但它特别容易受到蝗虫的攻击。
Although pastures were often damaged by the locusts, these lands were almost always left in better shape than the crops were.
虽然牧场经常被蝗虫破坏,但这些土地几乎总是比庄稼情况更好。
According to entomologists, single locusts are quiet creatures, but when locusts are placed with others of their species, they become excited, change color, vibrate, and even hum.
根据昆虫学家的说法,单个的蝗虫是安静的生物,但是当它们和同类的其他蝗虫放在一起时,它们会变得兴奋,变色,振动,甚至嗡嗡叫。
For example, locusts are small insects.
比如,蝗虫是小型昆虫。
In India, locusts have ever destroyed (破坏) many fields of crops.
在印度,蝗虫破坏了许多作物田。
However, locusts can be food for birds, chickens, ducks or other living things, even humans.
然而,蝗虫可以是鸟类、鸡、鸭或其他生物甚至人类的食物。
Humans are at the top of the food chain. They eat not only locusts, but also birds, chickens, ducks or many other plants and animals.
人类处于食物链的顶端,他们不仅吃蝗虫,还吃鸟、鸡、鸭等其他许多动植物。
These crops are attacked by locusts.
这些庄稼遭到蝗灾。
They plan to track newly-hatched locusts.
他们计划追踪新孵化的蝗虫。
But locusts can't swim, so how could it be?
蝗虫不会游泳,因此怎能发生这种情况呢?
One drawback is that it takes days to kill the locusts.
该产品有一个缺点,即它需要数日才能杀死蝗虫。
Bees and locusts, they move in swarms also, and even humans.
蜜蜂和蝗虫,它们也是群体活动,甚至人类也是。
Rats, mice and locusts eat the crops in the field or in storage.
野生的大老鼠,小老鼠和蝗虫偷吃庄稼和储存的粮食。
Sometimes it is more deadly and destructive than a swarm of locusts.
有时它比成群的蝗虫更加致命,更具破坏力。
One possibility is the tendency of young locusts to eat one another.
一个可能性是幼虫之间互食行为的倾向。
The plague of locusts has been described as the worst in more than a decade.
眼下的蝗灾被认为是过去的十多年中最为严重的一次。
This is definitely not good news for locusts, but the fungus has no effect on other life forms.
这对蝗虫肯定不是一个好消息,然而,真菌对其他生命形式没有影响。
They crept quietly across the lawn and into the shadow of the locusts that lined the street.
他们蹑手蹑脚地走过草坪,进入街道两旁洋槐树树荫之中。
The island nation has problems with locusts, insects that can destroy crops and grasslands quickly.
这个岛国遭受了蝗灾,蝗虫能在转瞬之间席卷作物和草原。
In the model, when the locusts had rigid or straight wings, flight performance suffered, the team found.
他们根据模型发现,当蝗虫具有更硬或更直的翅膀时,飞行性能下降。
But, Hassanali found it has startlingly different results on juvenile wingless locusts, known as hoppers.
但是哈桑·纳尼发现它对称为蝗蝻的无翼蝗虫幼虫有令人吃惊的不同效果。
The locusts had already destroyed thousands of hectares of crops and pasture as of April 14, reported AFP.
据法新社报道,到四月14日为止,蝗灾已经吞噬掉了数千公顷的作物和牧草。
Figuring out the details of how locusts and other insects fly may help researchers design tiny robotic fliers.
弄清楚蝗虫和其它昆虫怎样飞行的细节有助于研究人员设计微型机器人飞行器。
With the model in hand, Thomas and his team could predict the shapes of the air currents around the flying locusts.
手中有了模型,托马斯和他的研究团队得以推算飞行蝗虫周围气流的形态。
John's clothes were made of camel's hair, and he had a leather belt around his waist. His food was locusts and wild honey.
这约翰身穿骆驼毛的衣服,腰束皮带,吃的是蝗虫野蜜。
The Rome-based FAO says the desert locusts are now moving into southwest Libya, southern Algeria and the borders of Morocco.
总部设在罗马的联合国粮农组织指出,沙漠蝗虫正向利比亚西南部、阿尔及利亚南部以及摩洛哥边境地区蔓延。
The Rome-based FAO says the desert locusts are now moving into southwest Libya, southern Algeria and the borders of Morocco.
总部设在罗马的联合国粮农组织指出,沙漠蝗虫正向利比亚西南部、阿尔及利亚南部以及摩洛哥边境地区蔓延。
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