好词典

imaginary

UK //ɪˈmædʒɪnəri//US //ɪˈmædʒɪneri//

词源

源自14世纪晚期英语,来自拉丁语 'imaginarius',意为'关于想象的',由 'imago'(图像)和 '-arius'(形容词后缀)组成。

adjective

❶ 指存在于想象中而非现实的事物,常用来描述虚构的、不真实的概念或形象。

“The children created an imaginary world where animals could talk.”

(孩子们创造了一个动物会说话的幻想世界。)

“Her imaginary friend kept her company when she was lonely.”

(当她感到孤独时,她的假想朋友陪伴着她。)

❶ 数学中用来描述虚数的,表示平方为负数的数。

“In mathematics, the square root of -1 is called an imaginary number.”

(在数学中,-1的平方根被称为虚数。)

“The equation involves both real and imaginary components.”

(这个方程同时包含实部和虚部。)

同义词:fictional, unreal, fantastical, make-believe, illusory

常见短语

imaginary line — 指地图或图表上人为划定的假想线,如赤道或国际日期变更线。

“The equator is an imaginary line that divides the Earth into northern and southern hemispheres.”

(赤道是一条将地球分为南北半球的假想线。)

imaginary friend — 儿童幻想中的玩伴,现实中并不存在,但孩子会与之互动。

“Many preschoolers have imaginary friends that help them cope with new situations.”

(许多学龄前儿童都有假想朋友,帮助他们应对新环境。)