999英语网 英语单词
Devonian的音标发音
Devonian
英式发音：[de'vunjn]
美式发音
(noun.) from 405 million to 345 million years ago; preponderance of fishes and appearance of amphibians and ammonites.
鲍里斯校对
(noun.) from 405 million to 345 million years ago; preponderance of fishes and appearance of amphibians and ammonites.
鲍里斯校对