WordNet (3.0) WordNet (3.0)
(n) extinct primitive birds of the Triassic period; 70 million years before archaeopteryx
(n) most primitive avian type known; extinct bird of the Triassic having bird-like jaw and hollow limbs and breastbone with dinosaur-like tail and hind limbs
เพิ่มคำศัพท์
ทราบความหมายของคำศัพท์นี้? กด [เพิ่มคำศัพท์] เพื่อใส่คำนี้พร้อมความหมาย เพื่อเป็นวิทยาทานแก่ผู้ใช้ท่านอื่น ๆ
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