degrade

degrade
verb
  1. [with obj.]treat or regard (someone) with contempt or disrespect
    侮辱；轻视
    she thought that many supposedly erotic pictures degraded women.
    她觉得许多据说是色情的画侮辱了女性。
    ■lower the character or quality of
    降低…的品质（或质量），损害
    vast areas of natural habitats have been degraded.
    大面积的自然栖息地已经被损害。
    ■(archaic)reduce (someone) to a lower rank, especially as a punishment
    (古)（尤指作为惩罚）把（某人）降级（或贬职）
    he was degraded from his high estate.
    他被从高位上贬级。
  2. break down or deteriorate chemically
    降解
    [no obj.]when exposed to light the materials will degrade.
    暴露在阳光下时这些物质会降解。
    [with obj.]the bacteria will degrade hydrocarbons.
    细菌会降解碳氢化合物。
    ■[with obj.](Physics)reduce (energy) to a less readily convertible form
    (物理)使（能量）衰变
    ■[with obj.](Geology)wear down (rock) and cause it to disintegrate
    (地质)使（岩石）陵削（或减削）
派生
degradability
noun
degradable
adjective
degradative
adjective
degrader
noun
语源
  1. late Middle English: from Old French degrader, from ecclesiastical Latin degradare, from de- 'down, away from' + Latin gradus 'step or grade'
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