搜尋結果
估計有 150 萬種的植物、動物、細菌、真菌和其他已編目的物種，可能近百萬種物種。 如果沒有數十億，那只是還有很多待發現的物種。 Home to life and fueled by water , Earth houses a unique global ecosystem as curious and as grand as the astronomical events that made them possible .
在過去500年中滅絕的物種比過去2000年中的總和還要多。 And incredible creatures like lions , whales , tigers , 一些美妙的動物，像獅子、鯨魚、老虎，
這使得這些爬行動物為適應棲息地產生不同變化，從而產生許多新恐龍物種。 According to some estimates , more than 1,000 species of dinosaurs have roamed the Earth . 據估計，超過 1,000 種恐龍曾生存在地球上。
While earlier human species became extinct, modern humans continued to spread around the world. By about 17,000 years ago, Homo sapiens was not only a worldwide species, we were the sole surviving human species. We left behind a trail of fossils, evidence of our epic worldwide journey.
一個沒有人類的世界會是如何？. Within days, the electricity grid fails as fuel supplies run out and there's nobody to override the powerstation's failsafe mechanisms. 幾天內，由於燃料來源耗盡，輸電網出現故障，沒有人可以把發電站的故障保護機制改成手控。. Within a week, the subways we've built ...
n. 電腦指令；命令. 超過 500 萬人使用的線上學英文平台！ 十萬部 YouTube 影片教材，輕鬆掌握真實情境的日常對話、瞭解單字片語的發音與實用的用法。 免費提供中英文翻譯字幕與英漢字典，是華人提升英文聽力和英文口說的最佳學習方法和工具！ 多種主題任你選，依照自己的興趣與需求，打造專屬於自己的英語線上課程！
影片播放. The idea of de-extinction is that we can bring back species that are now completely gone. The major flashpoint of interest in what has now led to de-extinction technology happened. about 10 years ago when Dolly the sheep was created. In many ways, Dolly was the harbinger.
