ozone

B2 CET-4 大学 FREQ #19574 ★★☆☆☆

n. 新鲜的空气, 臭氧, 使人愉快的影响 [化] 臭氧

发音

UK /ˈəʊzəʊn/
UK /ə(ʊ)ˈzəʊn/
US /ˈoʊzoʊn/

词形变化

ozones 复数 ozones ozoned ozones 三单 ozoning ozoning 现在分词 ozoned 过去式 ozoned 过去分词

教材释义与例句

名词

臭氧;新鲜的空气

释义与例句

n. B2
  1. 1.

    An allotrope of oxygen (symbol O₃) having three atoms in the molecule instead of the usual two; it is a toxic gas, generated from oxygen by electrical discharge.

    臭氧

    不可数 化学
  2. 2.

    Fresh air, especially that breathed at the seaside and smelling of seaweed.

    非正式 不可数
v.
  1. 1.

    To treat with ozone.

    及物

词汇关系

名词

上位词 1

部分词 2

相关短语

词源

From German Ozon, coined 1840 by Christian Friedrich Schönbein, from Ancient Greek ὄζον (ózon), neuter participle of ὄζω (ózō, “I smell”), in reference to its pungent odour. The “fresh air” sense is from an erroneous former belief that seaweed contains and releases ozone.

来源:wiktionary