come about

['kʌmə.baut]

发生, 改变方向

例句与用法:

How did it come about that he knew where we were?

他是怎么知道我们在什麽地方的呢?

Expected or required but not yet having come about.

期待发生的被期望或要求但仍未发生的

How did this come about?

这是怎么发生的?

词形变化:

动词过去式: came | 动词过去分词: come | 动词现在分词: coming | 动词第三人称单数: comes |

详细释义:

1. 发生

How did this come about?

这事是怎么发生的?

2. 变方向