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VERB
把…整理好;使端正
If you straighten something, you make it tidy or put it in its proper position.
例句
She sipped her coffee and straightened a picture on the wall.
她抿了口咖啡，然后把墻上的一幅畫扶正。
...tidying, straightening cushions and organising magazines.
收拾、擺放靠墊和整理雜志
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VERB
挺直，端正(身體)
If you are standing in a relaxed or slightly bent position and then you straighten, you make your back or body straight and upright.
例句
The three men straightened and stood waiting.
3 個男人挺直身體，站著等候。
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V-ERG
(使)變直;(使)變正
If you straighten something, or it straightens, it becomes straight.
例句
Straighten both legs until they are fully extended...
挺直雙腿直至完全伸展開。
The road straightened and we were on a plateau.
路變直了，我們駛上了高原。