英语词汇pre-Cambrian, geological period before c. 540m years ago怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	pre-Cambrian, geological period before c. 540m years ago
释义	pre-Cambrian, geological period before c. 540m years ago— 前寒武纪
随便看	transport experience transport exploitation transport extension transport facilitation transport facilities transport facility transport failure transport fares transport fee transport fleet transport flights transport for London transport forwarding transport forwarding services transport fossil fuel transport framework agreement transport franchise transport frequencies transport from transport from airport transport fuel Transport-General Transport & General Workers Union transport & General Workers Union transport & General Workers Union

英汉双解词典包含2273206条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

pre-Cambrian, geological period before c. 540m years ago—