The tradition could date back to 300 BC.
这一传统可追溯到公元前300年。
Wiktionary tells us that the origin of the expression "no strings attached" may date back to ancient times.
维基词典指出，“无附加条件”这一说法的起源可以追溯到古代。
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.
玻璃的起源可以追溯到公元前3500年，但直到2000年前的罗马帝国，吹制玻璃的艺术和玻璃的实际使用才变得更加广泛。
Predecessors of the cowboy date back to colonial times.
牛仔的祖先可以追溯到美国十三州殖民地时期。
WHO model lists of essential medicines date back to 1977.
世卫组织基本药物标准清单可以追溯到1977年。
The caves date back to early Viking times in about 800 A.D..
这些洞穴可以追溯到公元800年的维京时代。
Pakistan's blasphemy laws date back to the colonial era.
巴基斯坦的亵渎神明法发端于殖民时代。
This ability may date back to even more primitive organisms than fish.
动物的识数才能甚至可以出现在比鱼还原始的生物中。
The stone circle is said to date back to 3200 BC and is a vision in itself.
它可以追溯到公元前3200年，是一处很独特的景点。
These games date back to the time of serial consoles, mainframes, and minicomputers.
这些游戏的历史可以追溯到串行控制台、大型机和小型机时代。
In Sanliurfa Province, outbreaks in backyard poultry are now thought to date back to late November 2005.
现认为在桑尼乌法省，后院家禽中的暴发始于2005年11月下旬。
He spoke highly of the friendly relations between the two old civilizations that date back to ancient times.
他高度赞扬中伊两个文明古国之间源远流长的友好关系。
There is, of course, a long-standing history of whaling in Iceland, but the more recent issues date back to 2004.
然，冰岛的捕鲸历史由来已久，但最近的捕鲸活动是从 2004 年开始的。
Microsoft's forum contains 476 pages of complaints about lost and deleted e-mails that date back to early November.
从11月初至今，在微软论坛投诉邮件丢失和被删除的帖子达到476页。
Scientific wagers date back to Greece in the 5th or 6th century BC and were often a rhetorical device for thinking about a subject.
科学家打赌的历史可以追溯到公元前5、6世纪的希腊，那时打赌是一种用来刺激人们思考的手段。
Nottingham has about 500 sandstone caves, many closed to the public, Walker said. The caves date back to early Viking times in about 800 A.D..
沃克说：“诺丁汉市大约有500个砂岩洞穴，许多遗址已禁止游客观光。这些洞穴可以追溯到公元800年的维京时代。”
The Big Bang model of cosmology rests on two key ideas that date back to the early 20th century: General Relativity and the Cosmological Principle.
宇宙学中的大爆炸模型可以追溯到20世纪初的两个核心思想：广义相对论和宇宙学原理。
As Geoffrey Robertson and Andrew Nicol explain in their excellent book Media law, England's defamation laws date back to a statute created in 1275.
就象杰弗里·罗伯逊和安德鲁·尼科尔在他们的绝佳著作《媒体法》中解释的那样，英国的诽谤法可追溯到1275年制定的一个章程。
The finds date back to between 151m and 164m years ago, which suggest they are older than archaeopteryx, previously thought to be the oldest undisputed bird.
新发现的动物化石可追溯至1.51亿至1.64亿年前，这表明它们比以往所公认的世界上最早的鸟类——始祖鸟(archaeopteryx)——还要古远。
Experts have continued to piece together the ship's history and believe its construction could date back to the 1770s, during the time of the Revolutionary War.
专家们试图继续将沉船的历史碎片拼凑起来，并坚信这艘船的创建能回溯至18世纪70年代，即在独立战争时期。
The village's nine terraced levels are linked by stone stairways that date back to the Ming Dynasty, and most homes still have paper Windows rather than glass panes.
村庄分开位于九层梯田上，层与层之间由石阶相连，这些石阶的历史可以追溯到明朝，村里很多人家还在使用纸糊的窗户，而不用玻璃窗户。
Cases of electric people date back to 1786, the most famous of which is that of 14 year old Angelique Cottin, whose presence caused compass needles to gyrate wildly.
人类带电的案例可以追溯至1786年，其中最著名的是14岁的安琪莉可·柯廷，能让罗盘的指针旋转不止。
Such fine calibrations may date back to the use of the abacus, and to an old Chinese convention that assumes a 360-day year for the purpose of reckoning interest payments.
如此精细的调整可追溯到算盘的使用，追溯到中国的一个古老传统，即假设一年为360天，以达到简化利息支付的目的。
The male body - said to date back to between 2900-2500bc - was discovered buried in a way normally reserved only for women of the Corded Ware culture in the Copper Age.
这具男性尸体——据信死于公元前2900年至公元前2500年之间——埋葬的方式，在铜器时代的绳纹器文化中通常只用于埋葬女性死者。
The male body - said to date back to between 2900-2500bc - was discovered buried in a way normally reserved only for women of the Corded Ware culture in the Copper Age.
这具男性尸体——据信死于公元前2900年至公元前2500年之间——埋葬的方式，在铜器时代的绳纹器文化中通常只用于埋葬女性死者。
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