1·The cordless, hand-held tools we use in our homes, such as vacuum cleaners, flashlights, drills and saws came from the technology of these early space programs.
我们家中所使用的无线手提工具，比如真空吸尘器、手电筒、钻头和锯，都来自于早期太空项目里的技术。
2·Other general-use tools with applications in electric power wiring include screwdrivers, adjustable slip-joint pliers and drills.
其它通用工具包括螺丝刀，可调节的滑头钳和钻头。
3·In industry, lasers are the saws and drills that never get dull.
在工业上，激光被用来作为锯和钻头，而且它永远不会变钝。
4·Laser tools and air abrasion are increasingly replacing drills and other tools, but dentists still use lots of picks.
虽然激光工具和空气喷砂机正在迅速取代钻头和其他工具，但牙医们还是要使用大量的凿子。
5·FOR many people, a trip to the dentist still evokes unpleasant childhood memories of big needles and screeching drills.
对于大多数人而言，牙医之旅仍能唤起童年时代叫苦不迭的回忆：大针和令人刺耳的钻头。