《黄帝内经·素问·上古天真论》
三十二岁时，筋骨丰隆盛实，肌肉亦丰满健壮。
四八，筋骨隆盛，肌肉满壮。
By the age of thirty-two, the muscles and bones are well-developed, and the muscles are strong and flexible.
<s>[INST] Convert the following English text into Classical Chinese: By the age of thirty-two, the muscles and bones are well-developed, and the muscles are strong and flexible. [/INST] 四八，筋骨隆盛，肌肉满壮。</s>
Convert the following English text into Classical Chinese: By the age of thirty-two, the muscles and bones are well-developed, and the muscles are strong and flexible.
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四八，筋骨隆盛，肌肉满壮。
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