1ADJ [usu ADJ after v, verb-link ADJ, oft ADJ n]垂直的;挺直的;直挺挺的 If you are sitting or standing upright, you are sitting or standing with your back straight, rather than bending or lying down. 垂直的;挺直的;直挺挺的
3ADJ (椅子)直靠背的,没有扶手的 An upright chair has a straight back and no arms. (椅子)直靠背的,没有扶手的
He was sitting on an upright chair beside his bed, reading.
他正坐在床前一张直背椅上看书。
4N-COUNT 立柱;立放构件 You can refer to vertical posts or the vertical parts of an object as uprights . 立柱;立放构件
...the uprights of a four-poster bed. [+ of]
四柱床的立柱
5ADJ-GRADED [usually ADJ n]诚实的,正直的;规矩的 You can describe people as upright when they are careful to follow acceptable rules of behaviour and behave in a moral way. 诚实的,正直的;规矩的