英语词汇“Permian period”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

WORD FAMILY

Permian period: Permian periods

USAGE EXAMPLES

Their proposal would elevate the Capitanian, which occurred during the Middle Permian period, to sit alongside the so-called "Big Five" mass extinctions.

BBC(Apr 21, 2015)

The work, published in Science1, is the latest to try to pinpoint the causes of the 'Great Dying', at the end of the Permian period.

Nature(Apr 08, 2015)

At the end of the Permian period, about 252 million years ago, animals started dying at ferocious rates.

Scientific American(Jul 06, 2014)

n from 280 million to 230 million years ago; reptiles

Syn|Exp

Permian

geological period, period

a unit of geological time during which a system of rocks formed

单词	Permian period
释义	Permian period (once / 181836 pages) n WORD FAMILY Permian period: Permian periods USAGE EXAMPLES Their proposal would elevate the Capitanian, which occurred during the Middle Permian period, to sit alongside the so-called "Big Five" mass extinctions. BBC(Apr 21, 2015) The work, published in Science1, is the latest to try to pinpoint the causes of the 'Great Dying', at the end of the Permian period. Nature(Apr 08, 2015) At the end of the Permian period, about 252 million years ago, animals started dying at ferocious rates. Scientific American(Jul 06, 2014) n from 280 million to 230 million years ago; reptiles Syn\|Exp Permian geological period, period a unit of geological time during which a system of rocks formed
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