英语词汇“Devonian 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

Devonian period: Devonian periods

USAGE EXAMPLES

They were very common during the Devonian period, but today lungfish and coelacanths are the only survivors.

Slate(Sep 20, 2012)

The Arthrodirans, so prominent during the Devonian period, disappeared before the close of the Carboniferous.

Various, Encyclopaedia Britannica, 11th Edit...(2010)

The trachyte of the Drachenfels was probably the neck of a volcano which burst through the fundamental schists of the Devonian period.

Hull, Edward, Volcanoes: Past and Present(2010)

n from 405 million to 345 million years ago; preponderance of fishes and appearance of amphibians and ammonites

Syn|Exp

Age of Fishes, Devonian

geological period, period

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

单词	Devonian period
释义	Devonian period (once / 147742 pages) n WORD FAMILY Devonian period: Devonian periods USAGE EXAMPLES They were very common during the Devonian period, but today lungfish and coelacanths are the only survivors. Slate(Sep 20, 2012) The Arthrodirans, so prominent during the Devonian period, disappeared before the close of the Carboniferous. Various, Encyclopaedia Britannica, 11th Edit...(2010) The trachyte of the Drachenfels was probably the neck of a volcano which burst through the fundamental schists of the Devonian period. Hull, Edward, Volcanoes: Past and Present(2010) n from 405 million to 345 million years ago; preponderance of fishes and appearance of amphibians and ammonites Syn\|Exp Age of Fishes, Devonian geological period, period a unit of geological time during which a system of rocks formed
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