Dolphins lack vocal cords, nevertheless creating sounds: a complicated system of whistles, Squeaks, moans, trills, and clicks are produced by sphincter muscles inside the blowhole.
13. GWD31-Q13 Dolphins lack vocal cords, nevertheless creating sounds: a complicated system of whistles, Squeaks, moans, trills, and clicks are produced by sphincter muscles inside the blowhole. A. nevertheless creating sounds: a complicated system of whistles, squeaks, moans, trills, and clicks are produced by B. nevertheless creating sounds: they produce a complicated system of whistles, squeaks, moans, trills, and clicks with C. but they do create sounds, producing a complicated system of whistles, squeaks, moans, trills, and clicks with D. but they do create sounds, a complicated system of whistles, squeaks, moans, trills, and clicks being produced E. but nevertheless creating sounds: a complicated system of whistles, squeaks, moans, trills, and clicks produced by
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发表于 2010-5-6 22:20:19
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