Japan is exploring the feasibility of forging the Olympic 2020 medals using precious meta ls salvaged from electronic waste.
日本正在探索使用电子垃圾中回收利用的贵金属来制造2020年东京奥运会的奖牌。
Members of Japan's Olympic organising committee tabled the idea to government officials and companies earlier this year, local media reports said.
Olympic host cities have traditionally obtained the meta l from mining firms.
But Japan, which lacks its own mineral resources, is keen to take the theme of a sustainable future a step further.
The International Olympic Committee (IOC) has developed strict criteria for the world's greatest sporting event, and this extends to how the medals should be produced.
The Rio Olympics, for example, used gold that was extracted without the use of mercury and a third of the silver and bronze used came from recycled sources.
相关单词：salvaged
salvaged解释：（从火灾、海难等中）抢救（某物）( salvage的过去式和过去分词 )； 回收利用（某物）
salvaged例句：
The investigators studied flight recorders salvaged from the wreckage. 调查者研究了从飞机残骸中找到的黑匣子。
The team's first task was to decide what equipment could be salvaged. 该队的首要任务是决定可以抢救哪些设备。
相关单词：criteria
criteria解释：n.标准
criteria例句：
The main criterion is value for money.主要的标准是钱要用得划算。
There are strict criteria for inclusion in the competition.参赛的标准很严格。
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