eohippus
n. 始祖马
英英释义
Noun
- earliest horse; extinct primitive dog-sized four-toed Eocene animal
例句
用作名词(n.)
- A sequence of fossils spans the evolution of modern horses from the tiny Eohippus.现代马的演化史也有一系列化石，从体型不大的始祖马开始。