火箭探测 rocket sounding
- 韩国希望到2018年建造一颗无需外援的火箭,到2025年发射一颗月球探测卫星。
South Korea hopes to build a rocket without outside help by 2018 and to send a probe to the moon by 2025. - 为了探测月球表面,人们一次又一次地发射火箭。
To explore the moon’s surface, rockets were launched again and again. - 为了探测月球表面,人们一次又一次地发射火箭。
To explore the moon's surface, rockets were launched again and again.
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