screwdriver 核心词议：
n. 螺丝起子；伏特加橙汁鸡尾酒
screwdriver 基本解释
速记方法
速记技巧
组合记忆法
scre词源如下：来自中古英语 screw, 螺旋，螺丝，可能来自 PIE * sker, 弯，转，词源同 ring,curve,shrimp. 引申 动词词义旋，拧等。
driver为驱动，驱使。
所以screwdriver就是使得螺丝可以驱动旋转的东西，引申为螺丝刀。
知识扩展
screwdriver 变化形式
复数： screwdrivers
易混淆的单词： Screwdriver
中文词源：
screwdriver
精选例句
1、 Dean tried to stab him with a screwdriver.
迪安试图用一把螺丝刀捅他。
常见考点例句：
- Hammering was faster than using a screwdriver , she explained .
- 用锤子要比螺丝刀快一些，她解释道。
- If you 're dead at this point , you didn 't use an insulated screwdriver .
- 如果你在这个环节挂了，说明你的起子不绝缘。
- It may be this that is giving mr cameron pause and making him look to his screwdriver .
- 让卡梅伦首相停顿下来、想动用长改锥的，恐怕就是这件事。
- A cathode ray tube can hold 300 volts of passive electrical storage , so use a hefty screwdriver across the main power supply capacitor , first .
- 任何阴极射线管都储存有三百伏电压，所以先要用一把强力螺丝起子来对付主电容器。
- Here is what a screwdriver assembly means !
- 这就是一把螺丝刀组装的意义所在！