rectum造句 121. Mammals can be divided into the large intestine and rectum colon, rectum directly to anal opening in vitro ( cloaca disappear), mammals and amphibians, reptiles, birds of the significant differences.英文造句invariablenessmemory cacheteleshoppingself-masterybuttonwoodbedsitterbold-facedgiven datasome day or otherterm of tradehamstringeddefective goodselectric dipolehydrogen sulfideprimary airsanta anasyntagmafrankishIOCmfaUSIAhermeticalnew yorkeranalogue computerportable computerhand-held computervirtual corporationautomatic tellercovariant