The depressor anguli oris muscle depress the corner of the mouth, the mentalis muscles pulls the lower lip out, and the platysma depresses the mandible.是什么意思_The depressor anguli oris muscle depress the corner of the mouth, the mentalis muscles pulls the lower lip out, and the platysma depresses the mandible.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句