focal是什麼意思 focal的用法 focal怎麼讀
focal
英 ['fəʊk(ə)l]美 ['fokl]
adj. 焦點的，在焦點上的；竈的，病竈的
使用頻率:★
星級詞彙:★★
中文詞源
focal 焦點的
來自focus, 焦點。
英語詞源
focal (adj.)
"of or pertaining to a focus," 1690s, from Modern Latin focalis
; see focus (n.) + -al (1).權威例句
1. In rural areas, the school is often the focal point for the local community.
在農村，學校常常是當地社區的活動中心。
2. The brochure described the library as the focal point of learning on the campus.
這本小冊子把圖書館形容爲校園學習的中心。
3. Consequently, even as the blogosphere continues to expand, only a few blogs are likely to emerge as focal points.
結果，儘管博客圈繼續擴大，但僅有少數的博客有可能脫穎而出，成爲關注的焦點。
4. A typical lens has a focal length ( f ) of 625 mm.
常見鏡頭的焦距 ( f ) 爲625毫米.
5. As a result, the focal lengths in these planes will be different.
結果, 這兩個平面內的焦距將不同.
[ focal 造句 ]
