superseded是什么意思？

superseded

• adj. [医]被代替的，废弃的；
• v. 取代，接替( supersede的过去式和过去分词 )；

例句

• The real cost approach has been largely superseded by the opportunity cost approach to international trade. 实际成本说已基本上为国际贸易的机会成本说所取代.
• The sailing ships were superseded by the steamships. 帆船已被汽船所取代.
• The use of machinery has superseded manual labour. 机器的使用已经取代了手工劳动.
• The theory has been superseded by more recent research. 这一理论已为新近的研究所取代。
• Steam locomotives were superseded by diesel. 蒸汽机车被内燃机车取代了.
• Flintlock: Ignition system for firearms early 16 th century, It'superseded the matchlock and the wheel lock. 燧发机: 火器点火系统,始于16世纪初, 取代火绳机和转轮打火机转轮打火机.
• Hand tools are relics of the past that have now been superseded by the machine. 手工工具是历史的遗物，现在已经被机器所取代。

柯林斯高阶英汉双解学习词典释义

• VERB
  取代，替代(陈旧或令人不满意的事物)
  If something is superseded by something newer, it is replaced because it has become old-fashioned or unacceptable.
  例句
  Hand tools are relics of the past that have now been superseded by the machine. 手工工具是历史的遗物，现在已经被机器所取代。