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阿波罗飞船
| 月球探测
| 实验室
| "阿波罗"飞船 | |
| gen. | Apollo |
| 月球探测 | |
| space | lunar exploration |
| 实验室 | |
| eng.geol. | lab |
| environ. | laboratory |
| hydroel.st. | lab |
| lab.eq. | test house |
| met. | research laboratory |
| space | facility |
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| Apollo | |||
| |||
| Apollo spaceship | |||
| 阿波罗飞船: 58 phrases in 4 subjects |
| Aviation | 24 |
| Space | 2 |
| Technology | 1 |
| United States | 31 |