small densely furred aquatic monotreme of Australia and Tasmania having a broad bill and tail and webbed feet; only species in the family Ornithorhynchidae
造句
用作名詞(n.)
I saw a platypus and a kangaroo. 我看到了鴨嘴獸和袋鼠。
One of the mascots was the platypus. 吉祥物一是鴨嘴獸。
The platypus spends a great deal of its time looking for food. 鴨嘴獸要用大量的時間去覓食。