the point on the earth's surface vertically above the focus of an earthquake 震中,震源地 ■(figurative)the central point of something, typically a difficult or unpleasant situation (喻)中心,集中点(尤指症结) the patient was at the epicentre of concern. 病人是关注的焦点。
派生 epicentral adjective 语源
late 19th cent.: from Greek epikentros 'situated on a centre', from epi 'upon' + kentron 'centre'