A.延遲時(shí)間 B.屬性名 C.持續(xù)時(shí)間 D.速度曲線
A.animation:important 4s; B.animation:important 4s ease-in-out; C.animation:important 4s ease-in-out1s; D.animation:linear both;
A.linear B.ease-in C.inline D.ease-out