阿普吐龙 āpǔtǔlóng Apatosaurus Origin Definitions Defs Strokes Stroke Words Sentences Sents 阿 ā phonetic 普 pǔ phonetic 吐 tǔ phonetic 龙 龍 lóng noun dinosaur (bound form) used in the names of prehistoric reptiles such as dinosaurs or pterosaurs