Silurian

[sai'ljuəriən;si-]

解释:

(noun.) from 425 million to 405 million years ago; first air-breathing animals.

艾伯纳录入--From WordNet

解释:

(a.) Of or pertaining to the country of the ancient Silures; -- a term applied to the earliest of the Paleozoic eras, and also to the strata of the era, because most plainly developed in that country.

(n.) The Silurian age.

乔琳整理

解释:

adj. belonging to Siluria the country of the Silures the ancient inhabitants of the south-eastern part of South Wales: applied by Murchison in 1835 to a series of rocks well developed in the country of the Silures a subdivision of the Pal鎜zoic containing hardly any vertebrates and land plants.—adjs. Silū′ridan Silū′rine Silū′roid.—ns. Silū′rist a Silurian a name applied to the poet Henry Vaughan (1621-95); Silū′rus Silūre′ the typical genus of Silurid a family of physostomous fishes—the cat-fishes &c.

伯尼编辑