韧性的英文：
toughness

参考例句：
  • ductile - brittle transition temperature
    韧性－脆性转变温度
  • Man is a pliable animal, a being who gets accustomed to everything!——Feodor Dostoyevsky
    人是一种非常富于韧性的动物，什么都能适应！——陀斯妥也夫斯基
  • America is resilient
    美国是富有韧性的。
  • Toughness is its essential feature.
    韧性是其必备特征。
  • malleable castiron
    韧性铸铁,可锻铸铁
  • (of beans,etc)having a strip of tough fibre
    (指豆荚等)有韧性纤维的,有筋的.
  • His face was sternly set with all its old show and strength.
    他的面容坚定，显示出来的威力和韧性不减当初。
  • Characteristically, metals are opaque, ductile, and good conductors of heat and electricity.
    从特点来看,金属不透明,有韧性,是热和电的良导体。
  • Scientists have long envied the lowly silkworm's abil-ity to spin the strongest natural fiber known to man.
    科学家们长期以来一直想搞清楚蚕为什么能吐出人类所知的最有韧性的天然纤维。
  • Hard, strong metals require a lower cutting speed than soft and ductile materials.
    硬度高而强度大的金属要求的切削速度比硬度小而韧性好的材料低。
toughness是什么意思：
n. 韧性，坚韧；强健
  • It was a tough life.
    这是很艰苦的生活。
  • The alloy cuts tough.
    这种合金切起来比较韧。
  • This car is a tough baby to drive.
    这辆车可不太好开。
  • You are really a tough guy.
    你真的是个很坚强的家伙。
  • There are tough penalties for drinking and driving.
    酒后开车处罚很重。

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