经过许多实验，我相信，我已经明白为什么有些人比另一些人更幸运，也相信要变得更幸运是有可能。

After many experiments, I believe that I now understand why some people are luckier than others and that it is possible to become luckier.

youdao

经过大量的药理实验证明许多补益方剂确有改善机体免疫机能的作用。

Many clinic and pharmacology experiment prove that much bu-yi prescription can improve immunity of the patient.

youdao

自从他开始进行实验，已经过去了许多小时。

Many hours have elapsed since he conducted the experiment.

youdao

自从他开始进行实验，已经过去了许多小时。

Many hours have elapsed since he conducted the experiment.

youdao