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英语单词“unscrew”的意思是：
1. 松开（螺丝、螺母等）。
2. 拆开（螺丝或螺母的）。
读音：英 [ˌʌnˈskruː] 美 [ˌʌnˈskruː]
例句：
1. 打开瓶盖时，他先是用螺丝刀把瓶盖上的螺丝拧松，然后才用起子把瓶盖慢慢unscrew。 When opening the bottle, he first used a screwdriver to loosen the screws on the lid of the bottle, and then used a chisel to slowly unscrew the lid.
2. She unscrewed the lid of the jar and reached in to retrieve the money. 她拧开罐子的盖子，伸手进去把钱拿出来。
3. The lid of the jar wouldn't unscrew easily. 罐子的盖子拧不开。
4. To unscrew the tap you have to turn it anticlockwise and pull upwards with a rubber pipe-washer and waterstop under the cock to make sure there is no further leak of water when opening. 如果你想要旋开水龙头你必须朝逆时针方向转动旋柄并用一把橡胶管接头在它上方上下推动逆止阀确保出水当开动的时候不再泄露水。
5. I took the screwdriver and unscrewed a couple of screws to remove the handle from the cylinder. 我拿起了螺丝刀并旋开了几颗螺丝以把把手从气筒上取下来。
6. Unscrewing one or two screws releases it. 一旋或两旋就能松开它。
7. He was unscrewing his bottle of beer when he knocked it over. 他在打开啤酒瓶时瓶子翻倒。
8. He had to unscrew the cap to pour out the liquid. 他得拧开瓶盖才能倒出液体。
9. He was trying to unscrew the stubborn screw with a screwdriver but without success. 他试图用螺丝刀把那顽固的螺丝拧下来，但没有成功。
10. Unscrewing a lid from a jar, she extracted a roll of bills from it. 她打开罐子的盖子，从中取出了一卷钞票。
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