英语解释

cretaceous

音标[kri'teiʃәs]

cretaceous是什么意思、cretaceous怎么读

cretaceous汉语翻译

a. 白垩系的, 白垩纪的
n. 白垩纪, 白垩系
【医】白垩的

cretaceous词型变化

副词:cretaceously

cretaceous英语解释

名词 cretaceous:

from 135 million to 63 million years ago; end of the age of reptiles; appearance of modern insects and flowering plants
同义词：Cretaceous period

形容词 cretaceous:

abounding in chalk
of or relating to or denoting the third period of the Mesozoic era

cretaceous详细解释

Cre.ta.ceous

adj.（形容词）
Of, belonging to, or designating the geologic time, system of rocks, and sedimentary deposits of the third and last period of the Mesozoic Era, characterized by the development of flowering plants and the disappearance of dinosaurs.See table at geologic time
白垩纪的：属于或表明地质时期岩石体系以及中生代的第三和最后一个纪的沉积物的，此纪以有花植物的进化和恐龙的灭绝为特征参见 geologic time
cretaceous Of, containing, or resembling chalk.
cretaceous 白垩的：白垩的、含白垩的或似白垩的
n.（名词）
The Cretaceous Period.
白垩纪

来源：
From Latin crôt3ceus [chalky]
源自拉丁语 crôt3ceus [白垩的]
from crôta [chalk]
源自 crôta [白垩]
from Crôta (terra) [Cretan (earth)]
源自 白垩（土） [白垩的（土）]

【引伸】
creta.ceously
adv.（副词）