ultra- 中英文意思 极端,过度PPT

同源单词

ultramarine, ultrasonic, ultraviolet

ultra-PPT

汉:来源于拉丁语,意为“beyond,exceeding”,可变形为ulter。

英:prefix meaning "beyond" (ultraviolet) or "extremely" (ultramodern), from L. ultra- from ultra (adv. and prep.) "beyond, on the further side," from PIE *al- "beyond." In common use from early 19c., it appears to have arisen from French political designations. As its own word, a noun meaning "extremist" of various stripes, it is first recorded 1817, from Fr. ultra, shortening of ultra-royaliste "extreme royalist."

1.表示“极端”

ultra-democracy 极端民主 ultrapure 极纯的

ultra-reactionary 极端反动的 ultra-left 极左的

2.表示“超,以外”

ultrasonic

a.relating to sound waves beyond the range of normal human audibility 超声的,超音的 前缀ultra=beyond,词根son=sound,-ic在此为形容词后缀。

long-term exposure to ultrasonic sound can damage your hearing.

长期处在超声环境中,会损伤你的听觉

ultraviolet

a.of the invisible part of the spectrum beyond the violet 紫外(线)的 violet=violet ray

Honey bees see only ultraviolet light,so they see flowers quite differently than we do.

蜜蜂能看到紫外线,所以它们看到的花朵与我们看到的截然不同。