相关单词同义词recession, hole, 近义词 hole 洞, crater 坑(陨石坑、弹坑等)..., opening 开口, pit 坑, space 空间, hollow 空的, void 空的, crack 破裂, nook 角落, fissure 裂缝, shell 壳, cleft 裂开的, vacancy 空缺, tooth decay 牙齿的蛀蚀, enclosed space 封闭空间, dental caries 龋齿, caries 龋齿, cavum 空腔(如耳腔)...临近词cavort, cavil, cavityless, cavity dam, Cavity BPM, cavityecho, cavity die, cavity rim, cavity QED, cavity cap, cavity gap, cavity side相似词caviar, cavil, caving, cavitation, cavity wall, cavolo nero, cavort, cavum, 返回 cavity