红灯区red-light district
羞明流泪aversion to light and tearing
【建筑】空载排水量块、充气石、砖light weight block, aerated stone, brick
汽车尾灯automobile tail light【车辆】
气辉airglow【地物】;light-of-the-night-sky【地物】;permanent aurora【地物】
【电】 刻度灯dial light
闪光实验flashing-light experiment
【电】 光束仪器light-beam instrument