aperture

From Longman Dictionary of Contemporary EnglishRelated topics: Photographyapertureap‧er‧ture /ˈæpətʃə $ ˈæpərtʃʊr/ noun [countable] 1 HOLE formal a small hole or space in something2 TCPthe small hole at the front of a camera, which can be made larger or smaller to let more or less light in when you take a photographExamples from the Corpusaperture• The telescope has an aperture of 2.4 metres.• The three of them watched in breathless silence as the doors reached their maximum aperture.• Lightning flickered in the ragged aperture where the ground-floor staircase door had been.• Her sculptures are hybrids of organic and machine forms: cylinders punctuated with round apertures and protuberances.• I had to get the aperture right.• As with telescopes, the larger the aperture the greater the light-grasp, but there are hazards too.• Binoculars of this aperture cost a great deal of money.• The box has 10 tiny apertures through which viewers can see 3-D images.Origin aperture (1600-1700) Latin apertura, from aperire “to open”

单词	aperture
释义	aperture From Longman Dictionary of Contemporary EnglishRelated topics: Photographyapertureap‧er‧ture /ˈæpətʃə $ ˈæpərtʃʊr/ noun [countable] 1 HOLE formal a small hole or space in something2 TCPthe small hole at the front of a camera, which can be made larger or smaller to let more or less light in when you take a photographExamples from the Corpusaperture• The telescope has an aperture of 2.4 metres.• The three of them watched in breathless silence as the doors reached their maximum aperture.• Lightning flickered in the ragged aperture where the ground-floor staircase door had been.• Her sculptures are hybrids of organic and machine forms: cylinders punctuated with round apertures and protuberances.• I had to get the aperture right.• As with telescopes, the larger the aperture the greater the light-grasp, but there are hazards too.• Binoculars of this aperture cost a great deal of money.• The box has 10 tiny apertures through which viewers can see 3-D images.Origin aperture (1600-1700) Latin apertura, from aperire “to open”
随便看	under the provisions of under the provisions of something under the rules to the rules under the rules/according to the rules under the same roof one roof under the same roof/under one roof under the same under one roof under the shadow of under the spotlight under the spotlights under the stars under the stern etc) eye of under the surface under the table under the umbrella of under the watchful etc eye of under the weather under the weight of under the weight of something under threat under tow under tutelage under warranty under watchful eye under your breath