阿普吐龙ā pǔ tǔ lóngaputulongapatosaurusformer name: brontosaurusalso called 雷龍|雷龙[lei2 long2]Characters in this word吐to vomit, to spew out, to cough up普widespread, universal, general阿an initial particle, a prefix used for names龙dragonStudy it in Yanamino