阅读在英语六级各个题型中占有非常重要的比重,大家在复习阅读时,不仅要积累词汇、做题技巧,也要多加练习,把学到的技巧运用到实践中。
How cockroaches vanish
蟑螂是怎么消失不见的?
ANYONE who has tried to swat a cockroach will know those insects strange ability, in the heat of pursuit, to disappear.
只要打过蟑螂的都知道它们特殊的本领往往在追赶最激烈的时候突然消失不见了。
Robert Full and his colleagues at the University of California, Berkeley, have now worked out how they do thisand taught a miniature robot to copy the feat.
加州大学伯克利分校的Robert Full和他的同事现在已明白它们是怎么做到的,并用一个微型机器人模拟了这个过程。
Dr Full had been using high-speed photography to study how cockroaches employ their antennae to sense and cross gaps.
Full博士运用了高速摄影技术来研究蟑螂是如何使触须去感知和穿过缝隙。
When the researchers made the gaps wider,
当研究者把缝隙扩宽,
they saw the animals flipping back underneath the ledge at the edge of the gap, rather than jumping across the empty space.
发现蟑螂直接在缝隙边缘翻转下去,而不是跳过缝隙,
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