VOA慢速英语:Small Dinosaur Suffered from Jaw Tumor(翻译)

tumor – n. a mass of tissue found in or on the body that is made up of abnormal cells

dinosaur – n. one of many reptiles that lived on earth millions of years ago

duck-billed – adj. have a projecting jaw, or beak, like a duck

deformed – adj. not having the normal or expected shape especially because of a problem in the way something has developed or grown

hadrosaur – n. a planting-eating dinosaur with jaws flattened like the bill of a duck

dwarf – adj. smaller than normal size

demise – n. an end of life

ameloblastoma – n. a rare, benign tumor appearing in the lower jaw

benign – adj. not causing death or serious injury; without cancer