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110年 - 110東吳大學_碩士班招生考試_英文學系︰中英雙語及轉換能力#100062

科目:研究所、轉學考(插大)、學士後◆中英雙語及轉換能力 | 年份:110年 | 選擇題數:0 | 申論題數:7

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所屬科目:研究所、轉學考(插大)、學士後◆中英雙語及轉換能力

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2. Summarizing : Write a summary in English between 80 to 100 words to get the
gist of the following article. (It is strongly recommended not to copy the same sentences
of the original texts.)
       Scientists have long wondered how butterflies fly—compared with other flying animals, the
creatures have unusually short, broad and large wings relative to their body size. Now, experts
have found that the insects “clap” their wings together, and their wings are perfectly evolved for
better propulsion.
      Biologists from Sweden’s Lund University set out to test a 50-year-old theory that
butterflies “clap” their wings together, pushing out the trapped air to create a jet and push the
animal in the opposite direction. The biologists studied free-flying butterflies and, in their
aerodynamic analysis, found the creatures’ wings form a cupped shape during the upstroke and
“clap,” thrusting the butterfly forward. Meanwhile, the downstroke helps with weight support.
      They also noticed that the butterfly wings were behaving in an unusual way. Instead of
slamming together as two flat surfaces, the wings bent to create a “pocket shape,” which would
capture more air and improve propulsion. In doing so, butterflies captured more air between
their wings, which improved the clap and boosted performance.
      The team tested their theory using a series of triangular robotic clappers and found that
flexible wings increased the efficiency of the clap by 28% compared with rigid wings. Experts
think the creatures may have evolved to favor this unusual wing shape in order to evade
predators. This flexibility might be one of the reasons butterflies have this unusual wing shape.
They take off very quickly, doing this as a safety measure, to minimize risk of getting caught.
III. Translation Competence 60%