focus

/'fәukәs/

柯林斯星级

牛津核心词汇

BNC频率: 1918

现代语料频率: 688

高考英语大学英语四级大学英语六级考研英语托福雅思

中文翻译

n. 焦点, 焦距

vi. 聚焦, 注视

vt. 使聚焦, 调焦, 集中

[计] 焦点

英文解释

n. the concentration of attention or energy on something

n. maximum clarity or distinctness of an image rendered by an optical system

n. maximum clarity or distinctness of an idea

n. a central point or locus of an infection in an organism

词态变化

过去分词:focused

现在分词:focusing

第三人称单数:focuses

过去式:focused

复数形式:foci

常见例句

marked by a narrow focus on or display of learning especially its trivial aspects

Uniting the chemical rays of light into one focus, as a certain kind of lens

a of or relating to an abnormal condition of the eye in which visual images are not in focus on the retina

She did several hours of selfless volunteer work in high school, aiding in programs in her youth group at Westboro Baptist Church in Topeka, Kansas, the Christian based organization "Focus On The Family", and the prestigious Ku Klux Klan

of or relating to a defect in the eye or in a lens caused by a deviation from spherical curvature which prevents light rays from meeting at a common focus and so results in distorted images