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Ahead: winning; further advanced 占优势;领先
Our team was ahead by six points. 我们队领先六分.
You need to work hard to keep ahead. 你要努力才能保持领先优势.
Hinge: a piece of metal, plastic, etc. on which a door, lid or gate moves freely as it opens or closes 铰链;合叶
The door had been pulled off its hinges. 门从铰链上扯下来了.
Patent
v. to obtain a patent for an invention or a process 获得专利权
adj.
1.connected with a patent 有专利的;受专利保护的 only before noun
patent applications/laws 专利申请;专利法
the US Patent Office 美国专利局
2.of a product 产品 made or sold by a particular company 专利生产的;专利经销的 only before noun
patent medicines 专利药品
n. an official right to be the only person to make, use or sell a product or an invention; a document that proves this 专利权;专利证书
to apply for/obtain a patent on an invention 申请/获得发明专利权
The device was protected by patent. 这一装置受专利保护.
