来自马峻的问题
英译汉英译汉Walking--likeswimming,bicyclingandrunning--isanaerobicexercisewhichbuildsthecapacityforenergyoutputandphysicalendurancebyincreasingthesupplyofoxygentoskinandmuscles.Suchexercisemaybeaprimaryfactor
英译汉英译汉
Walking--likeswimming,bicyclingandrunning--isanaerobicexercisewhichbuildsthecapacityforenergyoutputandphysicalendurancebyincreasingthesupplyofoxygentoskinandmuscles.Suchexercisemaybeaprimaryfactorinthepreventionofheartandcirculatorydisease.
Asprobablytheleaststrenuous,safestaerobicactivity,walkingisthemostacceptableexerciseforthegreatestnumberofpeople.Walkingatcomfortablespeedimprovestheefficiencyofthecardio-respiratorysystembystimulatingthelungsandheart,butatamoregradualratethanmostotherformsofexercise.
