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试用; 试验; 示范性的试验 | |||
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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 |
try-out : 8 phrases in 6 subjects |
Athletics | 1 |
Automobiles | 2 |
General | 1 |
Project management | 1 |
Space | 2 |
Sports | 1 |