Those crystals dated back to nearly 193 million years ago.

这些晶石可追溯到大概1.93亿年前。

The theater which dated back to 1901, holds about 775 people.

这家剧院建于1901年，能容纳775人。

It all dated back to when Facebook opened up the platform to developers.

这一切都可以追溯到 Facebook 向开发者开放平台的时候。

Much of the preparation for this switch dated back to the previous government.

这一转变的大部分准备工作可以追溯到上届政府。

These objects dated back to around 1 billion years after the Big Bang.

这些物体可以追溯到宇宙大爆炸后大约10亿年前。

The researchers said the fossils dated back to a time when Earth was rich with oxygen.

研究人员说，这些化石可追溯到地球上氧气丰富的时代。

The artwork has been dated back to 1610, meaning it was painted six years before the writer's death.

经鉴定画作的创作日期为1610年，这也就意味着它是在这位作家去世前六年画的。

The layer Schliemann had uncovered dated back to the Mycenaean Age, more than 1,000 years too early for Homer.

Schliemann发现的地层可以追溯到迈锡尼时代，一千多年对荷马来说太久远了。

Warner was a computer consultant with a scant criminal record. A single marijuana possession charge dated back to 1978.

华纳是一名电脑顾问，很少有犯罪记录。1978年就有一起非法持有大麻的指控。

We stayed in a hotel that dated back to the 16th century — that's older than anywhere I've stayed before.

我们住在一家可以追溯到16世纪的酒店——比我以前住过的任何酒店都要古老。

I couldn't believe in that. Well, look beautiful portraits of people and they are dated back to the 50s' and 60s'.

我当时也不敢相信。看看这些美丽的人物肖像，它们可以追溯到五六十年代。

The German researchers who were tried in absentia were hoping to prove that the Pyramid dated back to a pre-Egyptian civilization.

审判时未出庭的德国研究者希望能证明这个金字塔可以追溯到前埃及文明时期。

Demolition experts removed an old tank factory on the site that dated back to the 1900s.

拆除专家拆除了现场的一个可追溯到 1900 年代的旧坦克工厂。

The radio swung into an old song that dated back to the time when he and Alice were engaged.

收音机里响起了一首老歌， 那首歌可以追溯到他和爱丽丝订婚的时候。

There are versions of this song that have been dated back to the 1820's – more than 200 years ago.

这首歌的多个版本可以追溯到 200 多年前的 1820 年代。

She was beaming, her lips carefully outlined in coral-pink lipstick, and clutching the family A–Z, which dated back to some time around 1983.

她喜气洋洋，用珊瑚粉色的唇膏仔细勾勒出嘴唇的轮廓，手里拿着可追溯到 1983 年左右的 A-Z 系列。

It is recorded that the origin of spring couplets can be dated back to 1,000 years ago when people hung taofu (written charms on peach wood) on doors.

据记载，春联的起源可以追溯到1000年前，当时人们在门上挂桃符。

Even though the concept and the crude models dated back to Plato, these were the first mass-produced alarm clocks and they paved the way for a huge improvement in personal and business efficiency.

尽管这个概念和原始模型可以追溯到柏拉图，但它们是第一批批量生产的闹钟， 它们为个人和企业效率的巨大提高铺平了道路。

When Elisabeth Kendall, the mistress of Girton College, Cambridge, studied Arabic at Oxford University in the early 1990s, she did so using grammar books that dated back to 1859 (" The cow's tongue is long" was a typical phrase).

上世纪90年代初，剑桥大学吉顿学院的女教师伊丽莎白·肯德尔在牛津大学学习阿拉伯语时，使用的是可追溯到1859年的语法书(“牛的舌头很长”是一个常用短语)。

Her daughter found it still in the house 47 years later, so she returned it to the library with a check for the 2 cents a day overdue price that also probably dated back to the 1950s.

47 年后，她的女儿发现它仍在房子里，于是她把它还给了图书馆，并附上了一张每天 2 美分的逾期支票，这张逾期价格也可能可以追溯到 20 世纪 50 年代。