noun🔗Share先史時代(properly) History before written records, inclusive of both"Archaeologists study tools and bones to learn about life in prehistory. "考古学者は先史時代の生活について学ぶために、道具や骨を研究します。historyagearchaeologytimeChat with AIVocabulary GamePractice Reading
noun🔗Share先史時代Any past time (even recent) treated as such a distant, unknowable era."The early days of our family, before detailed records began, are a period of prehistory for us. "詳細な記録が始まる前の、私たちの家族の初期の日々は、私たちにとって先史時代です。historyarchaeologytimeagepastChat with AIVocabulary GamePractice Reading
noun🔗Share先史時代(often as pre-history) The history leading up to some event, condition, etc."The prehistory of my current job was a period of intense growth and experimentation. "現在の仕事の先史時代は、集中的な成長と実験の期間でした。historytimepastarchaeologyChat with AIVocabulary GamePractice Reading
