unscrewed

英 [ˌʌnˈskruːd]

美 [ˌʌnˈskruːd]

v.  (被)旋松，拧开; 拧下…的螺丝
unscrew的过去分词和过去式

柯林斯词典

• V-ERG 拧开；旋开
  If youunscrewsomething such as a lid, or if itunscrews, 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。
• VERB (旋出螺丝以)拆卸，取下
  If youunscrewsomething 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。

双语例句

• I unscrewed the retainer ring, put the bulb in first and THEN screwed the retainer on
  我旋下固定环，把第一的灯泡和THEN拧上的家臣
• In order to replace the high-pressure pump, the low-pressure line that is still fitted must be unscrewed.
  若要更换高压泵，必须松开仍然装配在车身上的低压管路。
• The shampoo bottle head had been unscrewed completely and spilled on the floor, seeping into the mat.
  洗发水的瓶盖拧开了，都流到了地上，渗进地毯里。
• He unscrewed a jar of mustard.
  他拧开了芥子酱的瓶盖。
• A protecting joint is added at power head rod joint in order to prevent power head rod joint abrasion when rod is screwed or unscrewed.
  在拧卸钻杆时为了保护动力头钻杆接头，防止其磨损，通常的做法是在该接头处联接一个保护接头。
• Only the marked screws may be unscrewed.
  仅能够旋开有标注的螺钉。
• A ratchet wheel with a handle is sheathed on the core bar, and a screw can be easily screwed down or unscrewed by both hands.
  在芯杆上套上一个带有扳把的棘轮，双手并用，就可以较轻松地拧紧或卸下螺丝。
• The Russians who cleaned the Embassy simply unscrewed the bolts ( which were well oiled) on the security door lock and walked straight in.
  负责打扫使馆的俄国人只需打开安全门上的紧锁螺栓（上过不少油），即可径直进入机房。
• A needle valve with a threaded spindle is unscrewed to open a passage for the liquid to escape to the reservoir from the cylinder when the jack is required to be lowered.
  当千斤顶需要下降时，一个带锭子的针型阀门被放松来使液体通过圆筒流回储备液箱。
• He had unscrewed the caps most of the way
  他已经快把螺丝帽拧下来了。