3325英语网 英语单词
Precambrian的音标发音
Precambrian
英式发音：[pri:'kæmbriən]
美式发音
(noun.) the eon following the Hadean time and preceding the Phanerozoic eon; from about 3,800 million years ago until 544 million years ago.
安迪编辑
(noun.) the eon following the Hadean time and preceding the Phanerozoic eon; from about 3,800 million years ago until 544 million years ago.
安迪编辑