Many drugs were found by trial and error.

很多药物都是通过反复试验才发现的。

柯林斯例句

They didn't know how to put in a central heating system, but they managed it by trial and error.

他们不知道怎样安装集中供暖设备, 但是经过反复试验终于安装好了.

《简明英汉词典》

But engineering a crop takes a lot of trial and error.

但是对于基因工程庄稼已做了大量的反复试验.

英汉非文学 - 生命科学 - 基因与食物

The calculation of the collapse load involves trial and error.

毁坏荷载的求算属于试凑方法.

辞典例句

Like many animals, people also learn to swim through trial and error.

像许多动物一样, 人也要通过反复适应才能学会游泳.

辞典例句

Specific behaviour must be determined by trial and error.

特殊的行为必须是通过探索试验来决定.

辞典例句

He learned technical skills by trial and error.

他通过不断摸索掌握技能.

辞典例句

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.

辞典例句

The above general rules allow the isopachs to be drawn by trial and error.

有了上述的一般规律,即可采用试凑法来描绘等和线.

辞典例句

Inventions and innovations almost always come out of laborious trial and error.

发明及创新几乎都是艰苦的试验和失败的产物.

互联网

To do, to understand, to trial and error, and then is clear.

去做, 去了解, 去试错, 然后就都清楚了.

互联网

Engineers used the trial and error method in selecting the other colors.

工程师们在选用其他颜色是采用了反复试验、不断摸索的方法.

互联网

The design mix of concrete is determined by trial and error.

设计混凝土配合比确定试验和错误.

互联网

My progress has been spasmodic and interrupted by trial and error.

我的投资经历了试验和错误.

互联网

I finally found the right key after lots of trial and error.

经过反复试验,我终于找到了正确的方法.

互联网