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1·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》

2·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。

3·What those early craftsmen had found by trial and error was that under pressure a pagoda's loose stack of floors could be made to slither to and fro independent of one another.

那些早期的工匠通过反复试验发现：在压力作用下，宝塔松散堆叠的楼层可以彼此独立地来回滑动。

4·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》

5·Learn by trial and error.

通过反复试验学习。

6·TRIAL】She learned to cook by trial and error.

她借着尝试错误法学会烹饪。

7·The other option is to learn by trial and error.

另一种选择是学习的试错。

8·Sometimesthe learning process is by trial and error.

有时，这样的学习过程是要通过反复试验的。

9·You can learn how to use it properly by trial and error.

你可以通过反复试验来学习如何正确使用它。

10·There isn't enough time to learn everything in life by trial and error.

人生实在没有足够的时间容我们凡事尝试，从失败中学习。