back space 退格 ; 按顺序切换武器 ; 退位键
back space file 回退文件
b back space 后退
back-space control 速退按键
back space control 倒带按键
back space key 返回键
back space time 倒带时间
automatic-back-space 自动退格
back-space statement 回退语句
V to move a (typewriter carriage) backwards 退格
N a typewriter key that effects such a movement 退格键
When the sun's rays hit the earth, a lot of the heat is reflected back into space.
太阳光线照射到地球时，大量的热被反射回太空。
A surface's albedo is the percentage of incoming solar energy, sunlight, that's reflected off that surface back into space.
一个表面的反照率是入射的太阳能、阳光从这个表面反射回太空的百分比。
It is an increased area of low thick clouds, the type that reflects a rare portion of solar energy back to space and cools the Earth.
它是一片变大的低厚云层，这种云层将少量的太阳能反射回太空，为地球降温。
词组短语
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