standing or sitting straight up

〔站或坐得〕垂直的（地），笔直的（地）:

The chimpanzee stood upright and grasped the bars of its cage.

黑猩猩抓住笼子的铁栅直直地站着。

Katie was still awake, sitting bolt upright (=sitting with her back very straight) staring at the television.

凯蒂还没睡着，笔挺地坐在那里盯着电视看。

He pulled himself upright and faced me.

他直起身面对我。

placed in a vertical position (=pointing in a line that is at an angle of 90? to a flat surface)

竖直的（地），垂直的（地），直立的（地）:

Your seat should be in the upright position when the plane is landing.

飞机降落时你的椅背应该处于竖直位置。

Keep the bottle upright.

让瓶子保持直立。

always behaving in an honest way

正直的（地），诚实的（地）:

He was a good honest upright man.

他是位诚实、正直的好人。

a long piece of wood or metal that stands straight up and supports something

〔支撑用的〕直柱，立柱