be incident to[bi: ˈinsidənt],解释:易发生于,随着…而来的,对…是难免的;例句:1.If this were an isolated incident, I'd be inclined to dismiss it.如果这事件只是孤立而偶然的, 我不会关注它。2.If possible the beam should be incident normal to the measurement surface.是否可能的光线应该是到测量表面的附带常态。