by trial and error 反复试验 ; 用试试改改的办法 ; 用试凑法 ; 反复试验地
learn by trial and error 在不断摸索中学习 ; 通过反复试验学习
Trial and error by 郭心怡
Children learn to use computer programs by trial and error.
儿童通过反复摸索才学会运用计算机程序。
《牛津词典》
Many drugs were found by trial and error.
许多药物都是经过反复试验后才被发现的。
《柯林斯英汉双解大词典》
We learn, in a sense, by trial and error.
从某种意义上说，我们是通过反复试验、不断犯错来学习的。
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