相關(guān)單詞近義詞 cave 洞穴, grotto 洞穴, hollow 空的, pothole 坑洞, cavity 洞, fissure 裂縫, tunnel 隧道, hole 洞, catacomb 地下墓穴, opening 開(kāi)口underground chamber, 地下洞室, chamber 室, underground 地下的, cavern out 挖空臨近詞cavernous, caveat, Caverni, caverna, caverned, cavernosa, cavernose, cavernula, cavernosu, cavernoma, cavernomas, cavernosus 返回 caverns