例句與造句

1. More recent developments in the lighting for dissecting microscopes include the use of high-power LEDs which are much more energy efficient than halogens and are able to produce a spectrum of colors of light, making them useful for fluorophore analysis of biological samples ( impossible with a halogen or mercury vapor light source ).
2. It's difficult to find mercury vapor light source in a sentence. 用mercury vapor light source造句挺難的