| 例句 |
We found out by trial and error which plants could survive the dry conditions.通过反复试验，我们知道了哪些植物能够在干旱的环境下生存。There are a number of well-tried remedies which are perfectly safe to take.有好多很安全且经过反复试验证明有效的治疗方法。Getting the effect you want is a matter of trial and error.要得到想要的效果需要反复试验。Many drugs were found by trial and error.很多药物都是通过反复试验才发现的。 |