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.
2017年12月四級真題（第二套）聽力 Section C
柯林斯高階英漢雙解學習詞典釋義
N-COUNT
手電筒;手電
A flashlight is a small electric light which gets its power from batteries and which you can carry in your hand.