when the direct radiation is not blocked by clouds, it is experienced as sunshine , combining the perception of bright white light (sunlight in the strict sense) and warming.
当直接辐射没有被云彩,这是有经验的阳光,结合光明的看法白光(阳光严格意义上的)和气候变暖。
use colored backgrounds on overhead transparencies and slides (such as yellow) as the bright white light can be harsh on the eyes.
字幕片或幻灯片的背景色最好选择彩色的,因为亮白色很容易让眼睛疲劳。
the researchers exposed a group of people to 21 minutes of bright white light in the morning while they imaged their brains.
上午,研究人员将一组人置于日照下21分成钟,同一时间记录了他们的脑部运动。
by collecting the sun's energy during the day, these lightweight fabrics provide bright white light at night.
这些纺织品白天收集太阳能,晚上可以发出明亮的白光。