| certain | |
| 级别 | 第2级 |
| 音标 | [ ˈsɜ:tn ] |
| 解释 | adj.一定的；pron.某几个，某些；肯定的，无疑的，必然发生的 |
| 英英释义 | having no doubt or knowing exactly that something is true , or known to be true , correct , exact or effective |
| 发音 |  |
| 例句 |
1. She is certain to come. 她一定会来的。 2. It's not at all certain whether I'll come tomorrow. 我明天还不定来不来呢。 |
