gained 隐藏摘要 
得到
gainable 可得到
gained 得到
gainer 得利者
http://dict.cnki.net/dict_source_d.aspx?searchword=reeducation&t=%E5%86%8D%E6%95%99%E8%82%B2 - 基于25个网页
时态
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gained时态
http://www.tianya.cn/publicforum/content/english/1/138922.shtml - 基于1个网页
  相关词条
gained day  
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have gained  
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