生物多样性是里约地球峰会上的时髦用语。
1992年，第一届联合国地球峰会在里约热内卢举行。
In 1992, the first UN Earth Summit was held in Rio de Janeiro.
(英译汉)他在地球峰会的出席表明我们真的应该更加关注全球环境了。
His presentation on the Earth Summit proves that we really need to pay more attention to the global environment.
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