| 短语 | by / through trial and error |
| 释义 | by / through trial and error if you do something by trial and error, you test many different methods of doing something in order to find the best反复试验〔以得出最佳效果〕:•I learned most of what I know about gardening through trial and error.我的大部分园艺知识都是通过反复摸索得来的。 |
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