脚杯，通常由螺杆和底盘组成，通过螺纹的旋转达到设备高度调节的一种常用的机械零部件。
有三种类型的弹子锁，脚杯，盘，杯，和杠杆杯子。
There are three types of tumbler locks, pin-tumbler, disk-tumbler, and lever-tumbler.
我解释说，有几个原因可以解释为什么最好握着高脚杯的杯脚。
I explained that there were several reasons that the stem was preferable.
在本周二，这位长有八只脚的预言大仙在他的睡梦中平静逝去。 保罗生前有着极其完美的足球比赛预测记录，包括今年世界杯冠军的预测。
Paul the octopus, who shot to fame during this year's soccer World Cup for his flawless record in predicting game results, has died peacefully in his sleep, his German aquarium said Tuesday.
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