unscrew
柯林斯词典
1. V-T/V-I If you unscrew something such as a lid, or if it unscrews, you keep turning it until you can remove it. 擰開
She unscrewed the cap of her water bottle and gave him a drink. 她擰開水瓶的蓋,給他水喝。
2. V-T If you unscrew something such as a sign or mirror which is fastened to something by screws, you remove it by taking out the screws. (按螺紋)擰下釘子
He unscrewed the back of the telephone and started connecting it to the cable. 他擰下電話後殼的釘子,開始把電話線連到電話機上。
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