一輛灑水車正在為路面灑水降溫,彈跳在半空中的弧形小水珠在陽光照射下,形成了美麗的彩虹。彩虹的兩頭,一頭在道路左側(cè)的花壇上,一頭在道路右邊的花壇上,形成了一座移動的彩虹橋。
A street prinkle is cool to the crowd,and water send up a mist continuously,in which last,during sunshine, there will be perpetual rainbows.
彩虹是因為陽光照射到空中接近圓型的小水滴,造成色散及反射而形成。在晴朗的天氣下,背對陽光在空中灑水或噴灑水霧,也可以人工制造彩虹。
This is because even though all the raindrops out there are reflecting rainbow colors, they do so in very narrow beams.
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