come about
發(fā)生,產生,實現(xiàn)；【航?！繐岋L調向,改變方向
How did it come about that he knew where we were?
\x09\x09\x09\x09\x09\x09他是怎么知道我們在什麼地方的呢?
Expected or required but not yet having come about.
\x09\x09\x09\x09\x09\x09期待發(fā)生的被期望或要求但仍未發(fā)生的
How did this come about?
\x09\x09\x09\x09\x09\x09這是怎么發(fā)生的?