词典释义：
双语例句
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Chinese space official said the agreement would boost cooperation between China and Russia, both eager to expand their presence in space as the United States seeks to keep its lead.
一位中国航天官员说，这份协议将加强中俄两国的合作，与美国努力保持航天技术的领先地位一样，中俄两国都非常希望能够加大在空间的力量。