fo·cal /ˈfəʊkəl $ ˈfoʊ-/ adjectiveadj [only before noun] MAINthe focal thing is the one that people pay most attention to 焦点的,受关注的 → focus This issue has now become the focal centre of interest. 这一问题现已成为关注的焦点。
focal• The initial focal symptoms may be very brief, or they may last longer than 30 minutes.