dinosaur /ˈdaɪnəˌsoɚ/ noun plural dinosaurs
plural dinosaurs
Learner's definition of DINOSAUR
[count]
1
: one of many reptiles that lived on Earth millions of years ago恐龙
2
: someone or something that is no longer useful or current : an obsolete or out-of-date person or thing守旧落伍的人;过时无用的东西