生物大灭绝 shēngwùdàmièjué mass extinction Definitions Defs Origin Strokes Stroke Words Sentences Sents 生物大灭绝 生物大滅絕 shēngwùdàmièjué mass extinction a catastrophic event causing the widespread and rapid decrease in the biodiversity of life on Earth; a great extinction of species
生物大灭绝 生物大滅絕 shēngwùdàmièjué mass extinction a catastrophic event causing the widespread and rapid decrease in the biodiversity of life on Earth; a great extinction of species
