Scientists have long assumed that bats fly the same way as birds and insects do ---with rigid, airplane-like wings that hinge at the shoulder.
科学家们长期以来一直认为，蝙蝠与鸟及昆虫的飞行方式是一样的，即以僵硬的、机翼似的、铰链般长在肩上的翅膀进行飞行。
At dusk bats appear in vast numbers.
蝙蝠于傍晚时分大批出现。
The bats are able to avoid other predators, and locate prey—typically insects that fly around at night.
蝙蝠能避开其他捕食者，找到猎物——通常是夜间飞行的昆虫。
At last she said, "Oh, Tom, never mind the bats, let's go back that way!"
最后她说：“哦，汤姆，别管那些蝙蝠吧，我们回到那条路上去！”
Given that there is a living to be made at night, and given that alternative daytime trades are thoroughly occupied, natural selection has favoured bats that make a go of the night-hunting trade.
考虑到夜晚也可以生存，并且可供选择的白天的“交易”完全被占用，它们自然选择偏爱那些成功在夜间进行捕食“交易”的蝙蝠。
I pick them up at the library: Migration Habits of Birds, Urban Structures, and one that I was particularly excited about: Bats in the Belfry: a Joyous Evocation of Architectural Eccentricity.
在图书馆我挑选了这些书籍：《鸟类的迁徙》，《城市的结构》，还有一本，最让我兴奋不已：《钟楼里的蝙蝠：怪异建筑快乐的召唤》。
He installed bat houses at suppliers’ farms because bats eat the insects that damage fruit trees.
他还向水果供应农场引进了蝙蝠，因为蝙蝠可以消灭破坏水果的害虫。
The only signs of life at the visitor centre are bats in the ventilation shafts.
现在举目可见的唯一生物是停留在通风井的蝙蝠。
Mexican free-tailed bats spiral out of Eckert James River bat Cave Preserve in Texas at dusk.
黄昏时刻，墨西哥的无尾蝙蝠从德克萨斯州艾克特·詹姆士河蝙蝠洞自然保护区盘旋而出。
During that time, the Marines conducted a successful proof of concept at Dugway Proving Grounds in Utah, where they released bats over a mock-up of a Japanese city.
当时，海军陆战队在犹他州杜格威试验基地模拟的日本城市上空释放了炸弹蝙蝠。
At least half a million bats have died, depriving the country-particularly in the spring and summer months-of a natural pesticide.
至少50万只蝙蝠被消灭，而这也使得农村少了春夏季节时的自然杀虫剂。
A team arrived this week at Kitaka to trap bats from various locations and test them for the virus.
一个研究小组于本周进入Kitaka并在不同的地方诱捕蝙蝠，然后测试其病毒感染情况。
A handful of bats worldwide are known to catch fish, including South America's fisherman bat. (Watch video of the fisherman bat at work.)
世界上已知的能捕鱼的蝙蝠物种屈指可数，其中包括南美洲的捕鱼蝠。
The bats can also "sweep through a frequency range of up to 170 kilohertz, " moving from lower to higher notes, "while a human singer produces a glissando through less than 2 kilohertz at most."
蝙蝠音频频率范围也可以高达170千赫，是=由从低频逐渐到高频。
The bats are balancing the need to wait until dark, when day-flying hawks stop hunting, and the need to catch the insects when they are most plentiful, right at dusk.
弗里克指出，蝙蝠在平衡两种需求，一种是等待夜幕的降临，为了躲避那些白天捕食的鹰；另一种是捕捉昆虫的需求，它们往往在傍晚很丰富。
Siemers, research leader of the Sensory Ecology Group at the Max Planck Institute for Ornithology, said the bats reach notes that are 8 octaves higher than what the best human sopranos can produce.
锡默斯，系马克斯·普朗克鸟类研究所感官生态学研究小组负责人，说蝙蝠达能到8个八度比最好的人类女高音能发出的音调更高。
In the lab, scientists noticed that Pallas's long-tongued bats excelled at finding hollow hemisphere shapes hidden among artificial leaves.
在实验室研究中，科学家们注意到，帕拉斯长舌蝙蝠擅长发现人造叶子里隐藏的半球凹形的东西。
Bats and vultures have besieged space shuttles at the launch pad, not to mention lightning, which tried and failed to tackle NASA? S mightiest rocket.
蝙蝠和秃鹫曾经围攻过发射台上的航天飞机，更别提闪电差点摧毁了NASA最强劲的火箭。
"Basically, we can think that the bats have a cocktail party every evening," says Jagmeet Kanwal, who studies mustached bats at Georgetown University.
“就此而言，我们可以认为，蝙蝠每天晚上都会进行一次鸡尾酒会，”JagmeetKanwal说，他是在乔治城大学研究髭蝠的。
If Archaeopteryx was a dinosaur, this means flight evolved at least four times in vertebrates: in reptiles, birds, dinosaurs, and most recently in bats.
如果“始祖鸟”是一只恐龙，这意味着飞行能力在脊椎动物史里进化了至少4次：爬行类、鸟类、恐龙，还有最近的一次——蝙蝠。
At school, in the pumpkin patch, and and all around the town are hidden pumpkins, spiders, and bats for the reader to find, as well as two mazes to go through.
在学校里、南瓜菜园里，还有城镇周围，到处都藏着南瓜、蜘蛛和蝙蝠，等待着读者把他们找出来。此外，书中还有两个迷宫，看读者能否通过它们。
Last season, Williams logged 420 at-bats for the Yankees, finishing with a. 281 average, 12 homers and 61 RBIs.
去年球季，威廉斯效力洋基的成绩是在420个打数中，打击率0.281、12支全垒打和61分打点。
Nocturnal animals such as bats and owls only come out at night.
夜行动物，如蝙蝠和猫头鹰只在夜里才出来。
The study is among the first experiments to confirm such behavior in wild bats, according to study co-author Dara Orbach, formerly a graduate student at the University of Western Ontario in Canada.
据实验报告的合著者，毕业于加拿大西安大略大学的Dara Or bach所说，这项研究是证实野生蝙蝠此种行为现象的最早的实验研究之一。
To this day bats live in caves, hanging upside down. And because they don't want to meet Bird or Rat, they come out only at night to hunt for food.
直到今天，蝙蝠都生活在岩洞里，白天将自己倒挂着休息或睡觉，因为怕遇到鸟和老鼠，他们只在晚上才出来找食物。
But at dusk the bats come out of their caves.
但是一到黄昏，蝙蝠便从洞里出来了。
Given that there is a living to be made at night, and given that alternative daytime trades are thoroughly occupied, natural selection has favored bats that make a go of the night-hunting trade.
考虑到夜间可以生存，并且其他白天的交易已经被全部占有，自然选择偏爱可以成功在夜间捕食的蝙蝠。
Bat in Western cultures, where bats have been associated with witches since the Middle Ages, these flying mammals are generally considered bad luck, or at least no fun to have around.
蝙蝠从中世纪起，西方文化就把蝙蝠与巫婆联系在一起，认为这种飞行的哺乳动物是不祥之物，至少让人们见了感到扫兴。
Deller"s unnarrated film concludes with the image of millions of bats emerging from a cave at sunset and blackening the sky."
戴勒的这部非叙事性电影以这样的情景结尾：数百万只蝙蝠在日落时从一个山洞中飞出，遮蔽了天空。
Deller"s unnarrated film concludes with the image of millions of bats emerging from a cave at sunset and blackening the sky."
戴勒的这部非叙事性电影以这样的情景结尾：数百万只蝙蝠在日落时从一个山洞中飞出，遮蔽了天空。
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