The milk also provides protein, needed by children for muscle development and growth, not found in the other drinks.
牛奶还可以提供蛋白质，这是孩子们在肌肉发育和成长过程中不可或缺的，而其他饮料里都没有这一成分。
In most people, however, muscle development is not the same in both legs, so that it is probable that the steps will be uneven.
但是，在绝大多数人左右两腿肌肉的发育并不是一样的，结果很可能左右两脚所迈的步子长短是不一致的。
In most people, however, muscle development is not the same in both legs, so that it is probable that the steps will be uneven.
本句翻译：但是，在绝大多数人左右两腿肌肉的发育并不是一样的，结果很可能左右两脚所迈的步子长短是不一致的。
For how the methylation was involved in muscle development and myogenin gene regulation precisely requires further study to prove.
至于甲基化是如何参与肌肉的发育和肌细胞生成素基因的精确调控的尚需进一步研究证明。
Vitamin D helps to increase levels of calcium in the blood. It helps build strong bones and teeth. It also helps in muscle development.
它有利于提高血液中的钙含量，从而形成强壮的骨骼和牙齿，促进肌肉的发达。
Vitamin D helps to increase levels of calcium in the blood. It helps build strong bones and teeth. It also helps in muscle development.
它有利于提高血液中的钙含量，从而形成强壮的骨骼和牙齿，促进肌肉的发达。
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