很多已经试验，只是少数已经成功…。

Many have tried, only few have succeeded...

youdao

小白鼠身上的试验已经被重复了很多次，并扩展到从酵母到果蝇、蠕虫、鱼、蜘蛛、老鼠和仓鼠等各种生物。

The rat findings have been replicated many times and extended to creatures ranging from yeast to fruit flies, worms, fish, spiders, mice and hamsters.

youdao

那意味着，我已经尝试过很多关于素食理想食品的试验。

That said, I've done a lot of experimenting with vegan dream food.

youdao