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hardness ['hɑ:dnis]
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词性及解释
  • n.
    坚硬, 困难, 严厉, 勇气
  • 【化】
    硬度
  • 【医】
    硬度, 硬性
英英解释
  • 1.
    n.the quality of being difficult to do
    [例]
      he assigned a series of problems of increasing hardness
      the ruggedness of his exams caused half the class to fail
  • 2.
    n.a quality of water that contains dissolved mineral salts that prevent soap from lathering
    [例]
      the costs of reducing hardness depend on the relative amounts of calcium and magnesium compounds that are present
  • 3.
    n.the property of being rigid and resistant to pressure
    [例]
      not easily scratched
      measured on Mohs scale
常用词组
例句
  • 1.
    The hardness of milk fat decreases with an increase, in the proportion of oleic acid: the iodine value (IV) gives an index of this.
    脂肪硬度随油酸含量增加而减少:碘值(IV)可以给出这一变化的指数。
  • 2.
    They can bear in mind the hardness their ancestors experienced and carry forward the spirit of unity and struggle.
    好让人们进入场地和欢快起舞时,不忘先祖创业之艰辛,发扬团结奋斗的民族精神。
  • 3.
    Of specific interest are deformation (strain) which occurs when a stress is applied, hardness and toughness.
    具体说就是施加一个应力时而产生的变(应变),硬度,韧性。
  • 4.
    Shore hardness: Scale of hardness for resilient materials such AS offset blanket or flexographic printing plate
    这个尺度,分140等级。一个有着极硬尖端的锤子,从一固定高度降落,当它击中物料时,反弹的级数越高,物料越硬。
  • 5.
    The hardness of fAT refers to the proportion of the fAT which is solid AT a particular temperATure.
    脂肪的更度表示一定温度下固态脂的含量。
  • 6.
    For other purposes, its hardness and strength can BE improved by adding various amounts(up to 12% ) of antimony alone.
    对于其他用途来说,只消在铅中加进不同量的锑(不超过12%),就可提高其硬度和强度。
  • 7.
    Can we control the hardness of the steel when it is harden?
    我们能够在钢淬火时控制它的硬度吗?
  • 8.
    By present-day standards, however, it was FAR from satisfactory for writing. For one thing, the graphite's hardness could not be changed.
    然而,按照今天的标准,它还远未达到书写的要求。比如说当时石墨的硬度是不能改变的。
  • 9.
    Japanese swords are renowned FOR their hardness and extreme sharpness; they were the weapons of the samurai.
    日本人的军刀因其坚硬和极端锋利而闻名,是日本武士的武器。
  • 10.
    Moderate hardness FOR smooth and clear writing
    软硬适中,书写流利清晰
词汇级别

小测验:选择正确的单词

a. 和谐的, 音乐般的, 和声的 n. 泛音, 谐波
  • A.hdarlequin
  • B.hdarmattan
  • C.hdarmonic
  • D.hdarlequinade

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