cooling glasses

名词 n.
英 /ˈkuːlɪŋ ˈɡlɑːsɪz/    美 /ˈkuːlɪŋ ˈɡlæsɪz/

英文释义

名词 n.
  1. Sunglasses. India,plural,plural-only
    — Very high purity fused silica glasses are made, which have negligible thermal expansion. Hence, they are suitable for making items of high accuracy such as space telescopes. Photochromatic (also called photochromic) glasses are those glasses that darken in sunlight. These are useful for making cooling glasses.
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