3. The brooch dates back to the fourth century BC.
胸针可追溯至公元前4世纪。
《柯林斯英汉双解大词典》
4. The tradition could date back to 300 BC.
这一传统可追溯到公元前300年。
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5. But other sources claimed it has been dated closer to 30,000 BC.
但其他消息来源称，它的年代更接近公元前3万年。
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6. The Phoenicians, in about 1500 BC, developed an entirely new approach to writing.
腓尼基人在公元前1500年左右发展了一种全新的书写方法。
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7. Silk had become one of the primary goods traded along the Silk Road by about 100 BC.
至公元前100年左右，丝绸已经成为丝绸之路上的主要贸易商品之一。
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8. The most prosperous period for Phoenicia was the 10th century BC when the surrounding region was stable.
腓尼基最繁荣的时期是公元前10世纪，当时周边地区的情况较稳定。
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9. Legend has it that it was Lei Tzu, wife of the Yellow Emperor, ruler of China in about 3000 BC, who discovered silkworms.
传说是公元前3000年左右，中国统治者黄帝的妻子雷子发现了蚕。
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10. By the year 1,000 BC, people who lived in the area around the Mediterranean Sea had developed a simpler system of writing.
到公元前1000年，居住在地中海附近地区的人们已经开发出一套更简单的书写系统。
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11. Today, we will be covering the Upper Paleolithic Period, which I am roughly defining as the period from 35,000 to 8,000 BC.
今天，我们将涵盖旧石器时代晚期，我大致定义为公元前35000年到公元前8000年。
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12. An Egyptian narrative of about 1080 BC, the Story of Wen-Amen, provides an insight into the scale of their trading activity.
一个大约公元前1080年有关文阿门的埃及故事，提供了一个了解他们贸易活动的规模的机会。
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13. Some people think that the famous scholar Confucius living from about 551 BC to 479 BC pushed the development of chopsticks.
有些人认为生活在公元前551年到公元前479年的著名学者孔子推动了筷子的发展。
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14. They established a colony somewhere in the 750 BC, and soon afterward, there is a colony established on the east coast of Sicily.
他们在公元前750年的某个地方建立了一个殖民地，不久之后，在西西里岛的东海岸建立了一个殖民地。
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15. We do have a victory hymn, a victory hymn that's inscribed on a stele that's a slab of stone--which was erected in the year 1204 BC.
我们确实有一首胜利赞美诗，一首刻在石碑上的胜利赞美诗，石碑是一块石板，建于公元前1204年。
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16. "Obelisks" (tall four-sided tapered monuments) were carefully constructed and even purposefully geographically located around 3500 BC.
“方尖碑”（高大的四边锥形纪念碑）是在公元前3500年精心建造的，甚至在地理位置上也是有目的的。
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17. He was searching for tiny engraved seals attributed to the ancient Mycenaean culture that dominated Greece from the 1400s to 1200s BC.
他在寻找属于古代迈锡尼文化的小型雕刻印章，该文化在公元前15世纪至1200年统治着希腊。
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18. Records from China around 1600 BC show that one end was chewed until it became brushlike, the other end was pointed and used as a toothpick.
来自中国大约公元前1600年的记载显示，一端被咀嚼得直到变成像毛刷一样，另一端被削尖当做牙签使用。
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19. In 250 BC at a festival to Apollo, a band of several hundred musicians played a five-movement piece celebrating Apollo's victory over python.
在公元前250年一个阿波罗的节日上，数百名音乐家组成的乐队演奏了五重奏来庆祝阿波罗战胜了蟒蛇。
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20. The traditional date of its founding is 814 BC, but archaeological evidence suggests that it was probably settled a little over a century later.
传统上，它的建立日期是公元前814年，但考古证据表明，它可能是在那一个多世纪之后才完成建立的。
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21. In China at around 200 BC, they discovered that by adding minerals to the clay they could improve both the appearance and the strength of the ceramics.
在公元前200年左右的中国，他们发现通过在粘土中添加矿物质可以改善陶瓷的外观和强度。
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22. Other ancient civilisations certainly knew about kites; as early as 1250 BC, the Chinese were using them to deliver messages and dump flaming debris on their foes.
23. The origins of glass date back to 3,500 BC but it wasn't until the Roman Empire, 2,000 years ago, that the art of glass-blowing and the practical uses of glass became more widespread.
