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1. A rocket with three Chinese astronauts blasted off from the Gobi Desert on Thursday.
blast off 点火起飞；发射升空
The first shuttle, Columbia, blasted off in April 1981.
第一架航天飞机哥伦比亚号在1981年4月升空。
2. The two agreed to return their ambassadors to Moscow and Washington in hopes of improving rocky relations.
in hopes of 希望
Several companies are offering new, entry-level models in hopes of attracting more buyers.
数家公司正提供初级入门新款，希望吸引更多买家。
