Search the dictionary A Chinese word or character, or English Draw a character Search 8 entries. hánwǔjì 寒武纪 Cambrian geological period (541-485.4 million years ago) hánwǔjì 寒武紀 Cambrian geological period (541-485.4 million years ago) qiánhánwǔjì 前寒武纪 pre-Cambrian, geological period before c. 540m years ago hánwǔjìdàbàofā 寒武纪大爆发 the Cambrian explosion hánwǔjìshēngmìngdàbàofā 寒武纪生命大爆发 the Cambrian explosion qiánhánwǔjì 前寒武紀 pre-Cambrian, geological period before c. 540m years ago hánwǔjìdàbàofā 寒武紀大爆發 the Cambrian explosion hánwǔjìshēngmìngdàbàofā 寒武紀生命大爆發 the Cambrian explosion