The cross-sectional area of the adductor magnus is three to four times larger than that of the adductor longus and brevis combined.It has a moment arm with the best mechanical advantage.是什么意思_The cross-sectional area of the adductor magnus is three to four times larger than that of the adductor longus and brevis combined.It has a moment arm with the best mechanical advantage.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句