西瓜单词

azoic是什么意思

azoic

英 [eɪ'zəʊɪk] 美 [e'zoɪk]
  • adj. 无生命时代的;无生命的
  • n. 无生代;无生代岩石

azoic 英文词源


azoic (adj.)
"pertaining to the period of Earth's history before life appeared," 1854, with -ic + Greek azoos, from a- "not, without" (see a- (3)) + zoon "animal," here used in the sense "life" (see zoo).

azoic 双语例句


1. Marine life was discovered at depths previously thought to be azoic.
在先前被认为没有任何生命迹象的海洋深处发现了海洋生物。

来自《权威词典》

2. Azoic rocks don't contain organic remains.
无生代岩石中不包含有机残余物.

来自互联网

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