慢速英语:'One-in-a-Billion' Dinosaur Discovery

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unique – adj. used to say that something or someone is unlike anything or anyone else

specimen – n. something (such as an animal or plant) collected as an example of a particular kind of thing

armor – n. a hard covering that protects something (such as a vehicle or an animal)

figure out – phrasal v. to understand or find (something, such as a reason or a solution) by thinking

personality – n. the set of emotional qualities, ways of behaving, etc., that makes a person different from other people

sediment – n. material that sinks to the bottom of a liquid

lumbering – v. to move in a slow or awkward way

spiny – adj. having or covered with many sharp, pointed parts

herbivore – n. an animal that only eats plants

efficient – adj. capable of producing desired results without wasting materials, time, or energy