problems and mistakes是什么意思 problems and mistakes怎么读
problems and mistakes的相关资料
problems and mistakes的用法和样例
- Trial and error are the source of our knowledge.
尝试与错误是学识之源。 - Problems of stiff at ches and misaligned bolts simply don't exist.
僵硬与错误闩住的问题根本不存在。
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