hadrosaur
n.
1877, from Modern Latin hadrosaurus, from Greek hadros "thick, stout" (see hadron) + -saurus.
| 词汇 | hadrosaur | 
| 词根词缀 | Online Etymology Dictionary hadrosaur n. 1877, from Modern Latin hadrosaurus, from Greek hadros "thick, stout" (see hadron) + -saurus. | 
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