“end-Ordovician mass extinction”的概念、定义、翻译、参考文献-科学参考

单词	end-Ordovician mass extinction
释义	end-Ordovician mass extinction Encyclopedia 理学古生物学释 end-Ordovician mass extinction奥陶纪末大灭绝距今约4.44亿年，地球海洋生命系统发生过的一次大规模的多样性快速下降事件。
随便看	Drinking and Driving drinking behavior of livestock Drinking in the Moonlight drinking song Drinking Tea drinking vessel drinking water and health drinking water difficulty caused by drought drinking water pollution drinking water projects for human and domestic animals drinking water purification drinking water source drinking water source protection zone drinkometer drip bloodstain drip detector drip irrigation drip irrigation under plastic mulch drip line drip-line drip loss dripping method dripping pills drip-round condenser Driss Chraïbi

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