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- 问题详情：Swimmingcanbeaspeacefulasitisfun.Underwater，noonecantellyoutodoyourhomeworkorcleanyourythingsoundssoft，quietandpeaceful. However，totheearsofawhaleordolphin，theunderwaterworldisgettinglesspeacefulallthegesaroundthemaremakingtheoceannoisier.Forexa...
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