Read Edit View history 渐新世 Jiànxīnshì Oligocene Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 渐新世/漸新世 · Jiànxīnshì · Oligocene 2026/03/04 渐新世 / 漸新世 Jiànxīnshì Oligocene the Oligocene (geological epoch from 34m-24m years ago) 科学家在这些地层中发现了渐新世的生物化石。 time word created sense Mar 4, 2026, 02:25 AM