单词	cardio
释义	cardiocar‧di‧o /ˈkɑːdiəʊ $ ˈkɑːrdioʊ/ noun [uncountable] informal any type of exercise that makes the heart stronger and healthier, for example running:  a combination of cardio, weight training, and kung fu
随便看	tongue-tied tongue twister tonic tonight Tonight Show, The toning tables tonnage tonne tons tonsil tonsillitis tonsure tonsured Tonto tony Tony Award too took tool toolbar toolbox tooled tooled up tool kit tool shed

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