Dinosaur = 恐龙 [kǒng lóng]
A dinosaur built from steel bars stands behind a fence, as tall as a building. Even made of metal, it is a 恐龙.
恐龙 (kǒng lóng) means “dinosaur.” 恐 is fear and 龙 is dragon: a fearsome dragon. Count dinosaurs with 只 (zhī): 一只恐龙 (yì zhī kǒnglóng).
孩子们喜欢恐龙。 — Háizimen xǐhuan kǒnglóng. — Kids love dinosaurs.
恐龙已经灭绝了。 — Kǒnglóng yǐjīng mièjué le. — Dinosaurs are extinct.