trial and error method

• 尝试试错法,试错法,尝试误差法,反复试验法,试凑法,试误法,尝试错误法

trial and error method的用法和样例：

例句

1. Trial and error revealed that it was best to put in the amide before the epoxide.
   尝试和误差法表明，最好在环氧化之前引进酰胺基。