English-Chinese/The human body's abdominal muscles are a pair of muscles

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The human body's abdominal muscles are a pair of muscles that extend vertically from the lower chest to the pubic region. Doing exercise can make the abdominal muscles strong. Strong abdominal muscles can help us run.

人体腹部肌肉是一对从下胸部垂直延伸到耻骨区域的肌肉。做运动可以使腹部肌肉强壮。强壮的腹部肌肉可以帮助我们跑步。