汉英词典
MEANING OF 海市蜃樓
mirage (lit. or fig.)
蜃 Big clam / Originally refers to the illusory towers and castles in the air or on the ground due to the reversal and refraction of light in the sea or desert / There are many metaphors for nothing and vague things
①大气中由于光线的折射作用而形成的一种自然现象。当空气各层的密度有较大的差异时,远处的光线通过密度不同的空气层就发生折射或全反射,这时可以看见在空中或地面以下有远处物体的影像。这种现象多在夏天出现在沿海一带或沙漠地方。古人误认为蜃吐气而成,所以叫海市蜃楼,也叫蜃景。②比喻虚幻的事物。
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