magnification
magnification — 名詞
1. the use of a lens or curved mirror to make an object appear larger than its real
放大
透過光學儀器使物體看起來比實際更大
the use of a lens or curved mirror to make an object appear larger than its real size, as with a magnifying glass, microscope, or telescope
Naomi used a hand lens for closer magnification of the tiny fossil embedded in the rock.
Naomi 使用手持放大鏡來更仔細地放大岩石中那個微小的化石。
collocation: magnification of [small object]
Under magnification, the butterfly wing revealed thousands of overlapping scales in brilliant colour.
在放大之下，蝴蝶翅膀顯露出數千片色彩絢麗、層層重疊的鱗片。
passive construction: under magnification
The jeweller relied on magnification to spot the hairline crack near the diamond's edge.
珠寶商依靠放大才發現鑽石邊緣附近那條細微的裂痕。
collocation: relied on magnification
Kwame watched the pond water come alive under the microscope's magnification.
Kwame 看著池塘的水在顯微鏡的放大之下活躍起來。
Magnification of the old family photograph showed a forgotten face in the distant crowd.
那張舊家族照片經過放大後，顯示出遠方人群中有一張被遺忘的臉孔。
- under magnification
- magnification of
- without magnification
- closer magnification
- rely on magnification
- enlargement
focuses on the result or the bigger copy produced, not the act of looking through a lens
- zoom
informal; specific to cameras and adjustable lenses, not microscopes or magnifying glasses
- close-up
getting physically near or photographing at very short range, not necessarily using optical enlargement
- reduction
making something appear smaller, the opposite optical effect
文法句型
under magnification
magnification of + object
without magnification
用法筆記
Typically uncountable when naming the process itself. Distinguish from sense 2, which gives a specific number or ratio. Common in the phrase 'under magnification'.
常見錯誤
2. a number or ratio that tells you how many times larger an object appears when vi
放大倍率
物體透過儀器被放大的倍數或比例
a number or ratio that tells you how many times larger an object appears when viewed through a magnifying device — for example, 10× means it looks ten times its real size
A magnification of 400× let Fatima observe the bacteria dividing in real time under the lens.
400 倍的放大倍率讓 Fatima 能夠在鏡頭下即時觀察細菌分裂。
pattern: a magnification of [number]×
The camera lens offers magnification up to 2:1 for extreme close-up shots of insects.
這個相機鏡頭提供高達 2:1 的放大倍率，用於拍攝昆蟲的極近距離特寫。
Siti switched to a lower magnification to first locate the specimen on the glass slide.
Siti 切換到較低的放大倍率，以便先在玻片上找到樣本的位置。
collocation: switch to a [lower/higher] magnification
Binoculars with a magnification of 8× are light enough for a long mountain hike.
8 倍放大倍率的雙筒望遠鏡輕便到足以帶著進行長途登山健行。
At 1000× magnification, a single human hair looks as thick as a tree trunk.
在 1000 倍放大倍率下，一根人類頭髮看起來像樹幹一樣粗。
pattern: at [number]× magnification
- a magnification of [number]
- at [number]× magnification
- switch to a lower/higher magnification
- maximum magnification
- total magnification
- power
used in compound terms like 'magnifying power'; more common in technical optics
- ratio
a broader mathematical term; lacks the specific optical context
- zoom factor
informal and specific to cameras with variable lenses
文法句型
a magnification of + number
at + number + × magnification
at high/low magnification
用法筆記
Countable when a specific figure is given ('a magnification of 400×'), but uncountable in general statements about quality ('high magnification is essential for this work'). Often used with 'at' rather than 'under'.
常見錯誤
同根字
- magnify動詞B2
- magnifier名詞B2
- magnifying形容詞B2