| 释义 |
- n.（对新事物的）初步试验
- 网络试车；试运行；试运转
1. | （对新事物的）初步试验，试行a test of how well sth new works, so that you can see if any changes are necessary |
n. | 1. a test of something new or untried, especially to assess its performance 2. an occasion when you try something for the first time to find out if it will be successful |
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