The container is invisible until you shine an ultraviolet light on it.那个柜子只有用紫外线照射才可以看见。It's called ultraviolet rays.它被叫做紫外线.The ozone layer surrounding the earth protects our skin from being hurt by the ultraviolet...
Objective To observe the efficacy of ultraviolet ray on furuncle and phyma.目的观察紫外线重叠照射法治疗疖肿的疗效.Ozone is produced by the reaction between oxygen and ultraviolet light...臭氧由氧气和紫外线发生反应而产生。Provides the ultraviolet ray steril...
As you sow you shall mow.种瓜得瓜,种豆得豆。He continued to mow the lawn and do other routine chores.他继续剪草坪，并做些其他日常杂务。I'm cheesed off with having to mow the lawn every week.每个星期都得刈草坪真把我烦死了.One day a youth espied her as he wa...