light marker造句

They are used as light sources and light markers by recreational divers.
In 1993, the method was further developed to US-CCG ( Ultra-Sound Cranio-Corpo-Graphy ) by replacing the light markers through ultrasound markers.
In 1960, A . Guettich introduced the light markers on a worker's helmet; evaluation of the light trace recordings, however, was aggravated by the photographic processing taking too much time.
With more underlying issues resurfacing between Brooke and Peyton, the two former best friends enter into an intense rivalry, with Peyton going so far as taking a black light marker and writing " WHORE " on Brooke's prom dress.
It's difficult to find light marker in a sentence. 用light marker造句挺难的