Swimmingcanbeaspeacefulasitisfun.Underwater,noonecantel...
问题详情:Swimmingcanbeaspeacefulasitisfun.Underwater,noonecantellyoutodoyourhomeworkorcleanyourythingsoundssoft,quietandpeaceful. However,totheearsofawhaleordolphin,theunderwaterworldisgettinglesspeaceful...