N-COUNT [oft byNOUN]手电筒;手电 A flashlight is a small electric light which gets its power from batteries and which you can carry in your hand. 手电筒;手电 [mainly US]
Len studied it a moment in the beam of his flashlight.
莱恩借着手电筒的光亮把它仔细研究了一会儿。
The troopers, by flashlight, were searching the immediate area.