1.  pass into disuse
2.  be discarded
3.  be thrown out of use
4.  stop using -- to be cast aside

• 1. 废弃不用: fall into disuse
• 2. 废弃不用的: out of use | disused
• 3. 已废弃不用的: out of date

更多释义

• 1.那种表达方式已废弃不用。
  The expression has gone out of use.
  dict.yoduao.com
• 2.这张旧桌子已废弃不用了。
  This old table has gone out of use.
  dict.yoduao.com
• 3.15年前，该实验室被废弃不用，实际上，这里仍进行一些病毒传染研究。
  It was abandoned 15 years ago and, in reality, some viral infections were studied here.
  dict.yoduao.com

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