n.手电筒；闪光灯
He took a flashlight lest it should get dark before he returned. 为了预防回来以前天就黑了，所以他带着手电筒。
You can use the flashlight when you take a photo indoors. 在室内拍照时可用闪光灯。
I took these photos in the car without a tripot and flashlight. 我只是坐在汽车内用手快拍，没有用三脚架，也没开闪光灯。
