effortlessly

adv.毫不费力地；轻易地

The wind blew stronger,and the little boat rampaged along effortlessly. 风刮得更猛烈了，小船毫不费力地飞速行驶。

Although trillions of cells meet this fate daily all are replaced as effortlessly as they are discarded. 虽然每天有无数血球遭此厄运，但是新的血球很轻易地就完全代替了它们，就像它们被轻易地抛弃掉一样。