本期内容：

A donor kidney has been delivered to surgeons at a US hospital via drone, in the first flight of its kind. Many see huge potential for unmanned aircraft systems (UAS) delivering medical products, with some drones already doing so in Africa. The US flight required a specially-designed drone which was able to maintain and monitor the organ. It is hoped that it can pave the way for longer flights and address safety issue with current transport methods.

donor: n. 捐赠者；捐献者
donate: v. 捐赠；捐献
kidney: n. 肾脏
surgeon: n. 外科医生
surgery n. 外科；外科手术
operation room: 手术室
theater: n. 手术室
via: prep. 通过
drone: n. 无人机
pave the way: 铺平道路

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