Unlike the sun, whose density is such that it supports nuclear fusion that generates bright sunlight, Gliese 581 is a red dwarf, so-called because the star is small and dim.
与太阳不同,太阳密度太高,能够支持生成强烈太阳光的核聚变,而Gliese 581是颗红矮星,之所以这么叫是因为这个恒星又小又暗。
Rising sun, sunset west down all day, exposure to bright sunlight through the Windows and warm in the room makes it especially bright.
旭日东升,晚霞西落,整天美好阳光透过飘窗照射在室内显得格外温馨明亮。
Many people find direct sunlight to be too bright for comfort, especially when reading from white paper upon which the sun is directly shining.
许多人发现直射的阳光过于明亮而使人不舒服,特别是在阳光下阅读白色报纸的时候。
But because sunlight or other bright lights can reset the SCN, our biological cycles normally follow the 24-hour cycle of the sun, rather than our innate cycle.
但是由于日光和其它光线可以重新设定scn,所以我们的生物钟周期通常是随着太阳的24时周期,而不是我们原本先天的周期时间。
Leave the sun Jar outside or in a sunny window in DIRECT sunlight for several hours to charge, electric light indoors is not bright enough!
白天,把小瓶子放在阳光或是人造光源下,它会自动搜集能量给电池充电。
Leave the sun Jar outside or in a sunny window in DIRECT sunlight for several hours to charge, electric light indoors is not bright enough!
白天,把小瓶子放在阳光或是人造光源下,它会自动搜集能量给电池充电。
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