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

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.