certainly怎么读 certainly的读法

1、certainly 英[ˈsɜːtnli]；美[ˈsɜːrtnli]
2、adv. 无疑; 确定; 肯定; 当然; 行;
3、[例句]the public is certainly getting tired of hearing about it
.关于此事，公众当然已经听腻了。