英语词汇“顯生元”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	顯生元
释义	顯生元 xiǎn shēng yuán一种地质年代单位，指现今至五亿七千万年前的期间。此期间所形成的地层中已含有生命的化石，故称为「显生元」。包括古生代、中生代、新生代。
随便看	nitrogen-gathering plant nitrogen generant nitrogen generating equipment nitrogen generating truck nitrogen generation nitrogen generator nitrogen getter Nitrogen glow discharge nitrogen glycosides Nitrogen grain production efficiency nitrogen group nitrogen group compound nitrogen group element nitrogen growth index nitrogen guano nitrogen halide compounds nitrogenhardening nitrogen hardening nitrogen-hardening nitrogen harvest index nitrogen heat exchanger nitrogen heating nitrogen heating system nitrogen heat ratio nitrogen-heat ratio