unscrew

verb

1. （被）旋松，拧开
   to undo sth by twisting or turning it; to become undone in this way
   1. I can't unscrew the lid of this jar.
      这个瓶盖儿我拧不开。
2. 拧下…的螺丝
   to take the screws out of sth
   1. You'll have to unscrew the handles to paint the door.
      要漆这扇门，你得把螺丝拧开，缷下门把手。

1. V-ERG 拧开；旋开
   If you unscrew something such as a lid, or if it unscrews, you keep turning it until you can remove it.
   1. She unscrewed the cap of her water bottle and gave him a drink...
      她拧开水壶的盖子给他喝水。
   2. The base of the lamp unscrews for wiring and mounting.
      台灯的底座可以拧开来进行布线和安装。
2. VERB (旋出螺丝以)拆卸，取下
   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.
   1. He unscrewed the back of the telephone and started connecting it to the cable.
      他旋出螺丝打开电话机后盖，开始动手把话机跟电话线接上。

1. The base of the lamp unscrews for wiring and mounting.
   台灯的底座可以拧开来进行布线和安装。
2. He unscrewed the back of the telephone and started connecting it to the cable.
   他旋出螺丝打开电话机后盖，开始动手把话机跟电话线接上。
3. Unscrew fastening nuts on logo.
   拧下紧固螺母（徽标上）。
4. Unscrew fastening screws on the cylinder head and remove the tool.
   拧下气缸盖上的紧固螺钉并拆下工具。
5. Unscrew and remove both expanding rivets.
   拧下两个膨胀铆钉并将其拆下。
6. Unscrew fastening screws on centre air grille.
   将紧固螺钉从中央空气格栅上拧下。
7. Unscrew the two fastening screws for the light bulb.
   拧下灯泡的两个紧固螺钉。
8. The frame's fixed to the wall, but I daresay I could unscrew it.
   这幅画和墙搭配得很好，但是我敢说我能旋开它。
9. Unscrew the fastening screws for the refrigerant lines and.
   将紧固螺钉从制冷剂管路和旋下。
10. Unscrew fastening nut and remove ground strap from the threaded bolt.
    拧下紧固螺母并从螺栓上拆下接地端。
11. Unscrew expanding screws on rubber stop.
    拧下橡胶止动块上的膨胀螺钉。
12. Unscrew fastening nuts and and remove washer o-ring.
    拧开紧固螺母和，拆下垫圈o形圈。
13. Unscrew lower fastening screws for the door sill.
    拧下门槛的下部紧固螺钉。
14. Unscrew screws and remove cover plate.
    拧下螺钉并拆下盖板。
15. Unscrew the fastening nuts on the supports.
    拧下支架上的紧固螺母。
16. I can't unscrew the top of this bottle. The lid screws on ( off).
    我拧不下这瓶的盖子。
17. Unscrew fastening screws and remove the bracket together with the seat-belt buckle.
    拧下紧固螺钉并将托架和安全带扣一起拆下。
18. Unscrew and remove fastening screws.
    旋开并拆下紧固螺钉。
19. Unscrew fastening screw from metal clip and belt buckle.
    从金属卡子和安全带带扣上拧松紧固螺钉。
20. Loosen and unscrew the fastening screw at the side until the housing can be pulled out.
    松开紧固螺钉并在侧面将其拧下，直到能拉出壳体。
21. Unscrew fastening screws and fastening nuts and remove front section of wheel housing liner.
    旋开紧固螺钉和紧固螺母并拆下轮罩衬套的前部。
22. Unscrew and remove fastening screws from the centring peg.
    旋开并取下定心销钉上的紧固螺钉。
23. To do this, unscrew and remove the wheel bolts.
    为此，拧松并拆下车轮螺栓。
24. Unscrew the lower rods and remove.
    松开低杆和删除。
25. Unscrew the three screws for this purpose.
    为此，拧下三个螺钉。
26. Unscrew the three fastening nuts and remove the three washers.
    旋开3个紧固螺母并拆除3个垫圈。
27. Unscrew screws on the finger plate.
    将螺钉从指板上拧下。
28. Unscrew four fastening screws on the wiper linkage.
    拧下刮水器连杆上的四个紧固螺钉。
29. Unscrew wheel bolts and remove the spare wheel from the spare wheel holder.
    拧下车轮螺栓，将备胎从备胎支架上拆下。
30. Unscrew fastening screws on the door sub-frame.
    将紧固螺钉从车门金属衬板上拧下。

verb

1. loosen something by unscrewing it
   1. unscrew the outlet plate

2. loosen by turning
   1. unscrew the bottle cap