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 本期内容：

The 2018 Nobel Prize in Chemistry has been awarded to three scientists for their discoveries in enzyme¹ research. Americans Frances Arnold and George P Smith will share the prize with Briton Gregory Winter, who is based at Cambridge University. This year's winners used a technique called directed evolution to create new proteins. These have been used in areas as diverse as the manufacture of new drugs and green fuels.

Nobel laureate: 诺贝尔奖获得者
award品)
enzyme: n. 酶
Briton: n. 英国人
be based in/at: 在……工作
technique: n. 手段
direct: vt. 指向；指路
protein: n. 蛋白质
manufacture: n. 生产
drug: n. 药，药品；毒品
green fuels: 绿色燃料
fossil fuels: 化石燃料