| 词汇 | trial run |
| 释义 | ˌtrial ˈrunnoun [c] an occasion when you practise doing sth in order to make sure you can do it correctly later on 试行；试车；试运转 trial runsee ⇨ test 9 trial run /ˌ·· ˈ·/n [c]when something new is tested to see if it works 试验; 试行 |
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