central; very important; connected with or providing a focus 中心的;很重要的;焦点的;有焦点的 The Student Liaison Officer acts as a focal point for student political activity. 学生联络官是学生政治活动的协调人。 The focal symbol of sovereignty is, of course, the crown. 主权的核心象征当然是王冠。
Oxford Collocations DictionaryFocal is used with these nouns:- point
Word Originlate 17th cent.: from modern Latin focalis, from Latin focus, or directly from focus.