In the far distance a helicopter skimmed down between the roofs, hovered for an instant like a bluebottle, and darted away again with a curving flight. 在下面街上有另外一张招贴画,一角给撕破了,在风中不时地吹拍着,一会儿盖上,一会儿又露出唯一的一个词儿“英社”。
The scientists studied videos of seven different kinds of winged beasts, from bluebottle flies to a cockatoo. 科学家们研究了7种不同有翼动物的录像,这些有翼动物包括从丽蝇到凤头鹦鹉,不一而足。
Narrator: On September 3rd 1973, at 6:28pm and 32 seconds, a bluebottle fly capable of 14,670 wing beats a minute landed on Rue St Vincent, Montmartre. 画外音:在1973年9月3日下午6点28分32秒,一只蓝丽蝇以每分钟能够扇动14,670次的频率降落到蒙马特的圣文森路。
To find out how the common bluebottle manages to process visual images more than four times faster than humans, researchers have built the bug a flight simulator. 为了探明普通绿头苍蝇(也叫青蝇)如何以比人类快四倍多的速度完成对视觉图像的处理,研究人员为这种小昆虫制作了一个飞行模拟器。