noun 下载 🔗分享 鸭嘴兽 A semi-aquatic, egg-laying monotreme mammal with a bill resembling that of a duck, that has a mole-like body, a tail resembling that of a beaver, a waterproof pelt, and flat webbed feet — males have poisonous spurs on the inside of the back legs; Ornithorhynchus anatinus Examples : "The zookeeper was excited because several platypuses were born at the zoo this year. " 今年动物园里出生了好几只鸭嘴兽,这让饲养员非常兴奋。 animal biology organism nature 与AI对话词汇游戏阅读练习