| 释义 |
protoavis/ˌprəʊtəʊˈeɪvɪs/n.【古生】原鸟(指三叠纪晚期一鸟样化石)详细释义源自:《新世纪英汉大词典》Collins外研社 n. /ˌprəʊtəʊˈeɪvɪs/原鸟（指三叠纪晚期一鸟样化石）【古生物学】英英释义n.most primitive avian type known; extinct bird of the Triassic having birdlike jaw and hollow limbs and breastbone with dinosaur-like ta |