An easy way to burn a few hundred extra calories is by spending 30 to 40 minutes walking briskly or using a cardio machine.是什么意思_An easy way to burn a few hundred extra calories is by spending 30 to 40 minutes walking briskly or using a cardio machine.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句