Ordovician period
奧陶紀時期
Ordovician fossils
奧陶紀化石
Ancient Ordovician seas
古代奧陶紀海洋
Ordovician extinction event
奧陶紀滅絕事件
The Ordovician period was a time of great diversification of marine life.
奧陶紀時期是海洋生物多樣化的時期。
Many trilobites lived during the Ordovician period.
許多三葉蟲生活在奧陶紀時期。
The Ordovician period lasted from about 485 to 444 million years ago.
奧陶紀時期持續約4.85億到4.44億年前。
Fossils from the Ordovician period provide valuable information about ancient ecosystems.
奧陶紀時期的化石提供了有關古代生態系統的寶貴信息。
The Ordovician period followed the Cambrian period.
奧陶紀時期緊隨寒武紀時期。
Some of the earliest fish evolved during the Ordovician period.
一些最早的魚類在奧陶紀時期進化。
The climate during the Ordovician period was warmer than today.
奧陶紀時期的氣候比今天暖和。
The Ordovician period is named after a Celtic tribe called the Ordovices.
奧陶紀時期以一個名爲奧爾多維克斯的凱爾特部落命名。
The Ordovician period ended with a mass extinction event.
奧陶紀時期以一次大規模滅絕事件結束。
Scientists study the rock layers from the Ordovician period to learn about Earth's history.
科學家研究奧陶紀時期的岩層以瞭解地球的歷史。
Ordovician period
奧陶紀時期
Ordovician fossils
奧陶紀化石
Ancient Ordovician seas
古代奧陶紀海洋
Ordovician extinction event
奧陶紀滅絕事件
The Ordovician period was a time of great diversification of marine life.
奧陶紀時期是海洋生物多樣化的時期。
Many trilobites lived during the Ordovician period.
許多三葉蟲生活在奧陶紀時期。
The Ordovician period lasted from about 485 to 444 million years ago.
奧陶紀時期持續約4.85億到4.44億年前。
Fossils from the Ordovician period provide valuable information about ancient ecosystems.
奧陶紀時期的化石提供了有關古代生態系統的寶貴信息。
The Ordovician period followed the Cambrian period.
奧陶紀時期緊隨寒武紀時期。
Some of the earliest fish evolved during the Ordovician period.
一些最早的魚類在奧陶紀時期進化。
The climate during the Ordovician period was warmer than today.
奧陶紀時期的氣候比今天暖和。
The Ordovician period is named after a Celtic tribe called the Ordovices.
奧陶紀時期以一個名爲奧爾多維克斯的凱爾特部落命名。
The Ordovician period ended with a mass extinction event.
奧陶紀時期以一次大規模滅絕事件結束。
Scientists study the rock layers from the Ordovician period to learn about Earth's history.
科學家研究奧陶紀時期的岩層以瞭解地球的歷史。
探索常見搜尋詞彙