短語(yǔ)詞組短語(yǔ)tertiary y period 第三紀(jì)tertiary period basalt 第三紀(jì)玄武巖late tertiary period 晚第三紀(jì)the tertiary period 第三紀(jì)Early Tertiary Period 早第三紀(jì)upper tertiary period soft rock 上第三系軟巖 返回 tertiary period