用upright post造句子，“upright post”造句

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

Try to maintain an upright posture while sitting or walking.

The upright post with a transverse piece upon which Jesus was crucified.

A device usually consisting of two upright posts supporting a crossbeam from which a noose is suspended and used for execution by hanging; a gallows tree.

Only humans have a natural upright posture.

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