可以组成：certainly 音标：[ˈsɜ:tnli]翻译；adv. 肯定; 当然; 无疑; 确定;例句：This was certainly a welcome change of fortune. 这确实是命运中一个令人欣喜的转变。希望能够帮到你！
Certainly 肯定的 (副词)
