3325英语网 英语单词
Synapsida的音标发音
Synapsida
英式发音：[si'næpsidә]
美式发音
(noun.) extinct reptiles of the Permian to Jurassic considered ancestral to mammals.
整理:罗伯塔
(noun.) extinct reptiles of the Permian to Jurassic considered ancestral to mammals.
整理:罗伯塔