created sense approved 挺直 · tǐngzhí · straighten
挺直
tǐngzhí
straighten
to make straight or hold erect, especially one's back or body
听到老师走进来,他立刻挺直了腰板。
verb
created sense approved 挺直 · tǐngzhí · upright
挺直
tǐngzhí
upright
being in a vertical or straight position; erect
他坐得非常挺直,显得很有精神。
verb