In ancient Greece, the period of four years between two celebrations of the Olympic Games; a standard used to reckon time from the first Olympiad, which began 776 B.C.

四年期(古希腊两次奥林匹克竞技会之间隔)；奥林匹亚记年(始于776B.C.的第一个奥林匹克竞赛)。

Celebration of the modern Olympic Games.

(现代的)奥林匹克运动会。