fis·sure
noun/ˈfɪʃə(r)/
/ˈfɪʃər/
(specialist)- a long deep opening in something, especially in rock or in the earth
（尤指岩石或土地中的）裂缝，裂隙 - parched grassland dissected by open dry fissures
干旱的草原被开阔的干燥裂缝所分割 - 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’. - parched grassland dissected by open dry fissures