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| 试验; 试用; 完全试出; 试验出; 量…的纯度; 提〔精〕炼; 筛矿; 参加选拔赛 | |||
| 经过试验 | |||
| 试用 (several makes of cars before making a final choice, 几种式样的汽车，再决定买哪一种) | |||
| 彻底检 试验 | |||
| 参加选拔赛 | |||
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| 试用; 试验; 示范性的试验 | |||
| try out: 8 phrases in 6 subjects |
| Athletics | 1 |
| Automobiles | 2 |
| General | 1 |
| Project management | 1 |
| Space | 2 |
| Sports | 1 |