straighten
/ˈstreɪtn/
动词
（使）变直，（使）挺直，弄直
She asked her daughter to straighten her posture while sitting at the table.
她让女儿在桌子边坐的时候端正坐姿。
使变平直；把…弄正
The picture fell while I was trying to straighten it.
我想把画的位置调正，结果它掉下来了。
整理；收拾整齐
Pepe was careful to straighten his room before leaving.
佩佩很细心，走之前把房间收拾得整整齐齐。