英语词汇carboniferous period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

单词	carboniferous period
释义	carboniferous period 简明释义石炭纪网络释义 1 ?石炭纪石炭纪（Carboniferous period）是古生代的第5个纪，开端于距昔约3.55亿年至2.95亿年，连续了6500万年。石炭纪时陆高空积一直增添，陆生生物空前倒退。短语 1 Permo-carboniferous period 石炭二叠纪 2 THE CARBONIFEROUS PERIOD 石炭纪 3 upper carboniferous period 上石炭纪双语例句 1 The Carboniferous period saw the appearance of the first extensive forests on Earth. 石炭纪时期，看到出现的第一广泛的森林在地球上。 2 Much of the petroleum we use today began some 200 million years ago in the Carboniferous Period. 我们今天使用的很多石油都起至200万年前的石炭纪。 3 This eventually resulted in the oxygen-rich atmosphere of the Carboniferous period around 340 to 280 million years ago. 这导致在距今2.8到3.4亿年前的石炭纪大气中的氧气几近饱和。
随便看	rim condition rim cooling rim cover rim cut rim cut rim degeneration rim dented rim deposit rim diameter rim discharge mill rim, divided rim drive rim-drive rime Rime-break rime break rimed rim edge rimed steel rime fog rime frost rime frost rime ice rimel rimeless

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