英语词汇“lower triassic”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	lower triassic
释义	Lower Triassic Lower Triassic [′lō·ər trī′as·ik] (geology) The earliest epoch of the Triassic period of geologic time, extending from about 230- to 215,000,000 years ago.
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Lower Triassic