| |||
forthgoer; outrunner | |||
precursor | |||
forerunner | |||
pioneer | |||
Pioneer (美国行星际探测器) |
先驱 者 : 18 phrases in 11 subjects |
Animal husbandry | 1 |
Aviation | 1 |
Consulting | 1 |
Economy | 1 |
Electronics | 2 |
General | 1 |
Management | 1 |
Space | 6 |
Telecommunications | 1 |
Textile industry | 1 |
United States | 2 |