中英释义：
双语例句
法律上，俄国应该确保再浓缩核燃料及后处理核废料被回收或者正确处理，但是仅有一小部分原材料被回收。
Russia is legally required to ensure that the re-enriched fuel and reprocessed waste is returned or properly disposed of, but only a small percentage of the original material gets sent back.
重点词汇
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浓缩
concentrate; condense; reduce; distill; boil down; compress; concentrated; concentration; enrichment
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核燃料
nuclear fuel; atomic fuel; fissile material