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lens是什么意思

lens

英 [lenz] 美 [l?nz]

n. 透鏡，鏡頭；眼睛中的水晶體；晶狀體；隱形眼鏡；汽車的燈玻璃
vt. 給……攝影

中文詞源

lens 透鏡，鏡片

來自拉丁文lens,豆莢，詞源同lentil.因鏡片如同兩面凸出的豆莢而得名。

英文詞源

lens: lens: [17] The Latin word for a ‘lentil’ was lēns; and when 17th-century scientists wanted a term for a round biconvex (lentil-shaped) piece of glass, they needed to look no further than lens. English lentil [13] itself comes via Old French from Latin lenticula, a diminutive form of lēns.
=> lentil
lens (n.): 1690s, "glass to regulate light rays," from Latin lens (genitive lentis) "lentil," on analogy of the double-convex shape. See lentil. Of the eye from 1719.
In the vernacular of the photographer, anyone crowding to the front of a group, staring into the lens, or otherwise attracting attention to himself is known as a "lens louse." ["American Photography," vol. 40, 1946; the term dates from 1915]

雙語例句

1. Why aren't all lenses supplied with a lens hood?: 為什么不給所有的鏡頭都配上遮光罩呢？

2. The autoexposure button is awkwardly placed under the lens release button.: 自動曝光按鈕安裝在鏡頭脫卸按鈕下面，十分不便。

3. Your camcorder should have these basic features: autofocus, playback facility, zoom lens.: 你的便攜式攝像機應該具備以下基本功能：自動聚焦、回放功能、變焦鏡頭。

4. He took off his spectacles and rubbed frantically at the lens.: 他摘下眼鏡，瘋狂地擦著鏡片。

5. He photographed this using a macro lens.: 他用微距鏡拍下了這個。

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