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单词 burning glass
释义

Definition of burning glass in English:

burning glass

noun
  • A lens for concentrating the sun's rays on an object so as to set fire to it.

    (取)火镜,凸透镜

    Example sentencesExamples
    • If a spherical glass vessel is filled with clear water, it acts like a round burning glass.
    • But the city was defended by Archimedes, a greater inventor, whose ‘burning glasses’ and other counter-engines destroyed the attackers' siege engines.
    • A glass bowl full of water had been used as a magnifier and burning glass in antiquity.

Definition of burning glass in US English:

burning glass

nounˈbərniNG ɡlas
  • A lens for concentrating the sun's rays on an object so as to set fire to it.

    (取)火镜,凸透镜

    Example sentencesExamples
    • But the city was defended by Archimedes, a greater inventor, whose ‘burning glasses’ and other counter-engines destroyed the attackers' siege engines.
    • If a spherical glass vessel is filled with clear water, it acts like a round burning glass.
    • A glass bowl full of water had been used as a magnifier and burning glass in antiquity.
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更新时间:2025/7/5 14:53:46