rostralWiktionary 原文英美/ˈrɑ.strəl/词源链拉丁语Latin约前 75–公元 3 世纪rōstrum↓ 派生英语Englishrostral词源说明From Latin rōstrum.释义形容词adjective1(anatomy) Relating to the rostrum.2Serving as a rostrum.名词noun1A scale in reptiles on the median plate of the tip of the snout that borders the mouth opening.同族词