 |
| |||
| 呼吸用空气 | |||
| breathing air: 47 phrases in 10 subjects |
| Automobiles | 5 |
| Aviation | 10 |
| Drilling | 3 |
| Earth sciences | 1 |
| Electronics | 2 |
| General | 1 |
| Space | 15 |
| Technology | 8 |
| United Nations | 1 |
| United States | 1 |
|
| |||
| 呼吸用空气 | |||
| breathing air: 47 phrases in 10 subjects |
| Automobiles | 5 |
| Aviation | 10 |
| Drilling | 3 |
| Earth sciences | 1 |
| Electronics | 2 |
| General | 1 |
| Space | 15 |
| Technology | 8 |
| United Nations | 1 |
| United States | 1 |