adj.直立的；垂直的；正直的

adv.垂直地

n.垂直；豎立；豎鋼琴

Only humans have a natural upright posture. 只有人類才有自然直立的姿勢。

Please put the back of your seat in an upright position. 請把座位靠背轉到垂直位置。

He was a famous upright statesman. 他是一位著名的、正直的政治家。

Several columns among the ruins still stood upright. 在廢墟中依然挺立著幾根柱子。

n.垂直；正直