柯林斯词典fissure /ˈfɪʃə/ (fissures) 1. N-COUNT A fissure is a deep crack in something, especially in rock or in the ground. (尤指巖石)裂縫 返回 fissure剑桥词典a deep , narrow crack in rock or the earth (巖石或土地的)裂縫,裂隙 medical specialized a long , deep , narrow hollow area in a surface in the body , especially in the cerebral cortex (= the surface of the brain ) (大腦皮層等的)裂紋,溝 medical specialized a fault on the surface of a tooth (牙齒表麪的)裂;疵點 返回 fissure