训练量 : 68 phrases in 13 subjects |
Artificial intelligence | 1 |
Athletics | 10 |
Aviation | 3 |
Bodybuilding | 2 |
Business | 1 |
Earth sciences | 1 |
Heavy equipment vehicles | 10 |
Quality control and standards | 1 |
Sports | 30 |
Swimming | 2 |
Technology | 1 |
United Nations | 1 |
Weightlifting | 5 |