screwn.螺钉；螺丝；螺状物；螺旋桨；螺旋；吝啬鬼；监狱看守人；<粗>性交；<英俚>工资；薪水v.拧紧；拧；压榨；<粗>性交screwcapn.螺旋帽(螺丝钉头)

1. At each turn the screw goes in further.
   每一次旋转都使螺丝钉更向里进。
2. I can't get this screw to come out of the wall.
   我无法把这颗螺丝钉从墙上取出。