tail sign 中文意思是什麼
tail sign
解釋
尾征,胸膜尾征-
Because all of its close relatives are feathered, paleontologists would expect juravenator to follow suit. but a small patch of skin on the creature ' s tail shows no sign of feathers
但考古學家們發現, juravenator尾部殘留的一小塊皮膚卻絲毫顯示不出它曾長有羽毛的跡象。
分享友人