space exploration

• n. 外层空间探索

space exploration的用法和样例：

例句

用作名词 (n.)

1. Both candidates seem to support space exploration, Chiao said.
   焦立中说，这两名候选人似乎都支持空间探索活动。
2. Advances in space exploration have brought into focus one of the most dramatic questions in human history.
   空间探索的进展给人类历史带来了一个非常引人注目的戏剧性的问题。