space exploration
[speis ˌekspləˈreɪʃən]
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n.外层空间探索 |
参考例句:
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- 1. Nations have been more interested in defense than in space exploration.各国对防务已经比对探索宇宙更为关心。
- 2. Humanity has made great progress in space exploration and medicine.人类在太空研究和医学上取得了很大进展。
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