饲料和瘦肉组织中的蛋白质均由氨基酸组成。
Protein in feeds and lean tissue is composed of amino acids.
你应该选择锻炼之前吃一餐含有充足糖类和淀粉质，和一些用于构建瘦肉组织的蛋白质。
Choose pre-workout meals and snacks that provide carbohydrate and a bit of protein for extra calories to build lean mass. Best muscle-building options.
当你减肥时，同时减掉脂肪和瘦肉组织。超重的人拥有较慢的新陈代谢的概念是一个神话。
When you lose weight you lose both fat and lean tissue. The notion that overweight people have a slower metabolism is a myth.
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