mouthn.嘴；口；开口；河口v.不出声说；装腔作势地说；喃喃地说mouth-organn.口琴mouth of book钩口mouth of womb[医] 子宫口mouth of pipe管口mouth breadth口裂宽mouth feeding口饲法mouth brooder口育鱼类mouth of hook钩口mouth atrophy[医] 口萎缩mouth hygiene口腔卫生