常見例句雙語例句Ultraviolet rays are invisible to humans though ants and honeybees are sensitive to them.人是看不到紫外線的，盡琯螞蟻和蜜蜂可以感覺到。The move is aimed at protecting young eyes from the sun's dangerous ultraviolet rays , and education authorities say they are considering adopting the plan at all state schools.這一擧措主要是爲了保護孩子們的眼睛不受紫外線傷害，教育界的權威人士稱，他們正在考慮在所有的州立學校實施這一擧措。Researchers believe that these growths are caused in part by long-term exposure to the ultraviolet rays contained in sunlight.研究者們認爲，造成這種增生的一部分原因是長期地暴露於陽光中的紫外線下。原聲例句Ultraviolet,also called U-V,rays cause the skin to burn.權威例句An ITT arm decants the clean water into another tank, where it's zapped with ultraviolet rays to wipe out small viruses before flowing into the harbor.FORBES: MuckrakerUTC's solution: Pass the return air through an aluminum filter sprayed with titanium dioxide that, hit with ultraviolet rays, sets off a chemical reaction that breaks down nasty organic compounds like benzene and formaldehyde into carbon dioxide and water.FORBES: Companies & Strategies 返回 ultraviolet rays