aperture

/ˈæpətʃə(r)/ (bre, ipa) · /ˈæpərtʃʊr/ (ame, ipa) · /ˈa-pər-ˌchu̇r ˈa-pə-, -chər, -ˌtyu̇r, -ˌtu̇r/ (ame, mw)

aperture — 名詞

1. a very small gap or cut in something solid, often one that lets air, light, or a

1.名詞C1
釋義

孔口；開口

物體上的小孔或狹窄開口

a very small gap or cut in something solid, often one that lets air, light, or another object pass through.

例句

The cat watched the garden through an aperture in the wooden fence.

那隻貓透過木柵欄上的一個開口望著花園。

through an aperture in [object]

Warm air escaped from an aperture near the roof of the tent.

暖空氣從帳篷頂部附近的一個孔口逸出。

aperture near the roof

同義詞
  • opening

    the broad everyday word; aperture is more technical and usually smaller

  • hole

    more informal and often rounder or rougher in shape

  • slit

    emphasises a long, thin shape

文法句型

an aperture in [surface/object]

through an aperture

用法筆記

Often followed by 'in' or 'through'. Distinguish from sense 2: this sense can describe any small gap in a surface or object, not specifically the light opening inside a camera lens.

常見錯誤

❌The wall has an aperture for cars.
✅The wall has an opening for cars.
💡'aperture' usually refers to a small or narrow opening, not a large entrance.

2. in photography, the adjustable gap inside a camera lens that decides how much li

2.名詞C1
釋義

光圈

相機鏡頭控制進光量的開口

in photography, the adjustable gap inside a camera lens that decides how much light enters when a picture is taken.

例句

Nina widened the aperture before taking photos in the dark church.

Nina 在昏暗的教堂裡拍照前先把光圈調大。

widen the aperture in low light

A wide aperture blurred the lights behind the singer on stage.

較大的光圈讓歌手後方的燈光變得模糊。

wide aperture + blurred background

同義詞
  • iris

    technical term for the part in the lens that opens and closes

  • diaphragm

    formal optics term for the mechanism that forms the opening

文法句型

adjust the aperture

a wide/small aperture

set the aperture to [number]

用法筆記

Usually discussed together with shutter speed and ISO. A wide aperture lets in more light and often gives a blurred background, while a small aperture lets in less light and usually keeps more of the picture sharp.

常見錯誤

❌I opened the lens to let more light in.
✅I opened the aperture to let more light in.
💡the lens is the whole part; the aperture is the adjustable opening inside it.