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单词 aperture
释义

aperture

noun
/ˈæpətʃə(r)/
/ˈæpərtʃʊr/
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  1. (formal) a small opening in something
    • The soldier fired the rifle through a narrow aperture in a pile of sandbags.
    • The bell ropes passed through apertures in the ceiling.
  2. (specialist) an opening that allows light to reach a lens, especially in cameras
    • For flash photography, set the aperture at f. 5.6.
    • Open up the lens aperture to maximize the brightness of the shot.
    • Binoculars of this aperture are very expensive.
  3. Word Originlate Middle English: from Latin apertura, from apert- ‘opened’, from aperire ‘to open’.
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更新时间:2025/1/11 7:23:38