| |||
首次为用户服务; 首次维护保养 | |||
第一发球 | |||
第一次配种; 第一次输精; 首次配种; 首次输精 | |||
第一次发球 |
first service : 19 phrases in 14 subjects |
Aviation | 1 |
Business | 1 |
Commerce | 1 |
Electronics | 1 |
General | 1 |
Information technology | 2 |
Metallurgy | 1 |
Project management | 1 |
Skiing | 1 |
Space | 3 |
Technology | 1 |
Telecommunications | 1 |
Tennis | 3 |
Volleyball | 1 |