It looks like you can build muscle using a wide variety of rep schemes and weight variations.

看起来我们可以通过多样的重量范围和变化来锻炼自己的肌肉。

Actually, behavioral geneticists believe that less than half of the total weight variation is programmed in the genes, while height is almost entirely genetically determined.

其实，行为遗传学家认为，在总的体重变化中，只有不到一半是由基因编程的，而身高则几乎完全由基因决定。

Actually, behavioral geneticists believe that less than half of the total weight variation is programed in the genes, while height is almost entirely genetically determined.

事实上，行为遗传学家认为，体重变化中只有不到一半是由基因决定的，而身高几乎完全是由基因决定的。