单词	promammal
释义	promammal noun pro·​mammal (ˈ)prō+ 1 : an extinct reptile exhibiting definite mammalian characteristics especially : a synapsid reptile 2 a : a primitive mammal (as a platypus) not exhibiting all the characteristics of the group b : one of the Protomammalia Word History Etymology pro- entry 1 + mammal
随便看	go our several ways go our/their/your several ways go out go out (with) go out of existence go out of one's mind go out of one's mind with worry go out of one's way go out of production go out of use go out the window go out with go out with a bang go over go over big go over like a lead balloon go over someone's head go over something with a fine-tooth comb go over with a fine-tooth comb go over/through (something) with a fine-tooth comb go overboard go pear-shaped go phut go pit-a-pat go pitter-patter

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