The research was performed on C. elegans, tiny roundworms that typically live an average of two weeks.
这一研究实验是在线虫身上进行的，这是一种极小的圆虫，他们的平均寿命只有两周左右。
2
Belgian researchers have tested the drug on roundworms, and have had positive results so the next step is to do a human trial.
比利时研究者已将该药物在蛔虫身上进行了试验，取得了积极的效果，下一步就是人体试验。
3
Roundworms are excellent subjects for longevity research because they usually only live three weeks, making any increment in lifespan quickly apparent.