upright posture造句怎么写

Simultaneously, our upright posture put the trachea and esophagus in a near-vertical orientation.

In the face of feelings, there has been a melancholy melancholy, but after all, still do it freely, know how to choose. Therefore, she stroll in the clouds with a quiet and upright posture, let people look up to their whole life, and miss their whole life.

Try to maintain an upright posture while sitting or walking.

Only humans have a natural upright posture.

Why do humans walk on two legs? Our ancestors evolved an upright posture well before our large brains or stone tools even appeared.