常见例句用作名词 (n.)Goats use rumen, reticulum and omasum to digest silage.羊利用瘤胃、蜂巢胃、重瓣胃来消化草料。The cow gets rid of the gases formed in the rumen by belching at frequent intervals.牛靠经常的打嗝以释放瘤胃中形成的气体。 返回 rumens