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词汇 non-luminous
释义
non-luminous
adjective chemistry, physics specialized (also nonluminous) uk/ˌnɒnˈluː.mɪ.nəs/ us/ˌnɑːnˈluː.mə.nəs/
不发出或反射强光的
not producing or reflecting bright light
A planet is a nonluminous body gravitationally bound to the Sun or a star. 行星是被太阳或恒星引力束缚的非发光天体。
If we place a wire-gauze cap over the gas jet, it burns with a non-luminous flame.
    更多例句
  • A small amount of a salt is heated in a non-luminous Bunsen flame.
  • Non-luminous objects do not have their own source of light energy and hence cannot emit light.
  • This difference is much greater in the luminous rays of light than in the non-luminous.
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