英语词汇Proterozoic怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

adjective

Geology of, relating to, or denoting the aeon that constitutes the later part of the Precambrian, between the Archaean aeon and the Cambrian period, in which the earliest forms of life evolved 【地质】元古代的; 元古代岩的。

1.1

as noun
the Proterozoic
the Proterozoic aeon or the system of rocks deposited during it
元古代; 元古代岩系。

The Proterozoic lasted from about 2,500 to 570 million years ago. For millions of years only bacteria and single-celled organisms existed, and the early invertebrates that followed were soft-bodied and rarely left any trace in the form of fossils.

词源

late 19th cent.: from Greek proteros 'former' + zōē 'life', zōos 'living' + -IC.

单词	Proterozoic
释义	Proterozoic /ˌprɒtərəˈzəʊɪk/ adjective 1 Geology of, relating to, or denoting the aeon that constitutes the later part of the Precambrian, between the Archaean aeon and the Cambrian period, in which the earliest forms of life evolved 【地质】元古代的; 元古代岩的。 1.1 as noun the Proterozoic the Proterozoic aeon or the system of rocks deposited during it 元古代; 元古代岩系。 The Proterozoic lasted from about 2,500 to 570 million years ago. For millions of years only bacteria and single-celled organisms existed, and the early invertebrates that followed were soft-bodied and rarely left any trace in the form of fossils. 词源 late 19th cent.: from Greek proteros 'former' + zōē 'life', zōos 'living' + -IC.
随便看	put something together put something to rights put something to sleep put something up put something up the spout put spurs to put stock in putt puttanesca puttee putter put that in your pipe and smoke it put the acid on put the arm on put the bite on put the boot in put the cart before the horse put the cat among the pigeons put the clocks back put the fear of God in someone put the finger on put the flags out put the frighteners on put the hard word on put their heads together

Proterozoic

the Proterozoic