focal

柯林斯词典

1. ADJ Focal is used to describe something that relates to the point where a number of rays or lines meet. 焦点的[ADJ n]
...the focal plane of the telescope. ...望远镜的焦平面。
2. ADJ Focal is used to describe something that is very important. 非常重要的[ADJ n]
...one of the focal centres of the Far East. ...远东的中心地区之一。