a long deep opening in something, especially in rock or in the earth (岩石、土地等中深长的)裂缝,裂隙 parched grassland dissected by open dry fissures 干燥的草原被开阔干燥的裂缝分割 fissures in the ocean floor 海底的裂缝
Word Originlate Middle English: from Old French, or from Latin fissura, from findere ‘to split’.