| 单词 | 专利保护 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔patent〕The device was protected by patent.这一装置受专利保护。牛津高阶〔patent〕The drugs are protected by patent.这些药品受专利保护。朗文当代〔patent〕The product is protected by patent.这一产品受到专利保护。韦氏高阶The device was protected by patent.此装置享有专利保护。牛津商务The drug went off patent and is now available as a cheap generic.这种药物没有专利保护，目前作为廉价的未注册药物供应。牛津商务The drug's patent protection expires in 2012.这种药品的专利保护将于 2012 年期满。牛津商务 |
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