bleach

CET-6 大学 FREQ #12907 ★☆☆☆☆

vt. 漂白 vi. 变白 n. 漂白, 漂白剂

发音

/bliːt͡ʃ/
US /blit͡ʃ/
UK /bliːt͡ʃ/

词形变化

bleaches 复数 bleached bleaches 三单 bleaches bleaching bleacht bleaching 现在分词 bleached 过去式 bleached 过去分词 bleacher 比较级 bleachest more bleach 比较级 bleachest 最高级 most bleach 最高级

教材释义与例句

动词

使漂白，使变白

动词

变白，漂白

释义与例句

n.
  1. 1.

    A chemical, such as sodium hypochlorite or hydrogen peroxide, or a preparation of such a chemical, used for disinfecting or whitening.

    漂白剂

    不可数 可数
  2. 2.

    A variety of bleach.

    可数 不可数
  3. 1.

    An act of bleaching; exposure to the sun.

  4. 1.

    A disease of the skin characterized by hypopigmentation and itching, believed in the 17th century to be a form of leprosy.

    废旧
v.
  1. 1.

    To treat with bleach, especially so as to whiten (fabric, paper, etc.) or lighten (hair).

    漂白

    及物
  2. 2.

    To be whitened or lightened (by the sun, for example).

    不及物
  3. 3.

    To lose color due to stress-induced expulsion of symbiotic unicellular algae.

    不及物 生物

    Once coral bleaching begins, corals tend to continue to bleach even if the stressor is removed.

  4. 4.

    To make meaningless; to divest of meaning; to make empty.

    比喻 及物

    semantically bleached words that have become illocutionary particles

adj.
  1. 1.

    Pale; bleak.

    古体

词汇关系

名词

同义词 2

bleaching agent whitener

上位词 5

white agent lightening whiteness whitening

下位词 10

benzoyl peroxide bleaching powder calcium hypochlorite chloride of lime chlorinated lime chlorine dioxide chlorine water Clorox etiolation sodium hypochlorite
动词

同义词 6

decolor decolorise decolorize decolour decolourise decolourize

上位词 3

white discolor whiten

下位词 1

peroxide

相关短语

bleach bypass bleach weed bleach job brain bleach mind bleach eye bleach skip bleach

词源

From Middle English blechen, from Old English blǣċan (“to bleach, whiten”), from Proto-West Germanic *blaikijan, from Proto-Germanic *blaikijaną, from Proto-Indo-European *bʰel- (“to shine”). Cognate with Dutch bleken (“to bleach”), German bleichen (“to bleach”), Danish blege, Swedish bleka (“to bleach”). Related to Old English blāc (“pale”) (English blake; compare also bleak).

来源：wiktionary