focalKK [ˋfokəl] /ˈfoʊkəl/發音形容詞1焦點的、焦距的光學Adjust the focal length of the lens before you shoot.拍攝前先調整鏡頭的焦距。2核心的、中心的、重點的The old fountain is the focal point of the whole square.那座舊噴泉是整個廣場的視覺焦點。3病灶的、局部的醫學The scan revealed focal damage in a small area of the brain.掃描顯示腦部有一小塊區域出現局部損傷。