音標(biāo)發(fā)音英式音標(biāo) [??l.tr??va??.l?t]美式音標(biāo) [??l.tr??va??.l?t]國際音標(biāo) [,?ltr?'vai?l?t]英式發(fā)音 美式發(fā)音 基本解釋adj. 紫外的;紫外線的 n. 紫外線輻射,紫外光詞根記憶ultra(超…的) + violet(紫羅蘭,紫色)→紫外線的ultra(超…的) + violet(紫羅蘭;紫色)→紫外線的ultra(超出) + violet(紫羅蘭,紫色)→紫外(線)的同根派生 ultraviolet相關(guān)詞英漢例句用作形容詞 (adj.)用作定語: ~+ n.The ozone layer surrounding the earth protects our skin from being hurt by the ultraviolet rays.環(huán)繞地球的臭氧層保護(hù)著我們的皮膚免受紫外線的傷害。ultraviolet更多例句詞組短語短語Ultraviolet therapy 紫外線療法;[臨牀]紫外線治療ultraviolet spectroscopy 紫外光譜;[光]紫外光譜學(xué);紫外分光光度法;紫外線光譜ultraviolet bulb 紫外線燈泡ultraviolet a 紫外線a;長波紫外線ultraviolet spectrometry 紫外光譜測定法;紫外光譜法;紫外分光光度法ultraviolet更多詞組英英字典劍橋英英字典 Ultraviolet light has a wavelength that is after the violet (= light purple) end of the range of colours that can be seen by humans. Light of this type causes the skin to become darker in the sun.柯林斯英英字典 Ultraviolet light or radiation is what causes your skin to become darker in colour after you have been in sunlight. In large amounts ultraviolet light is harmful. ultraviolet劍橋字典ultraviolet柯林斯字典專業(yè)釋義生物學(xué)紫外線紫外線的紫外光紫外的;紫外線紫外線;紫外的電子、通信與自動(dòng)控制技術(shù)紫外發(fā)光