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1·No one keeps an exact count, but rough calculations based on the government's survey suggest that perhaps 1,600 American public and private schools are teaching Chinese, up from 300 or so a decade ago.

没有人知道确切的数字，但是根据政府的调查，粗略计算之后显示，大约有1600所美国公立和私立学校在教授中文，而十年前只有300所左右。

2·A decade ago, this island's ecosystem was in chaos.

十年前，这座岛屿的生态系统陷入混乱。

3·Most of us spend much more time with digital media than we did a decade ago.

与十年前相比，我们大多数人在数字媒体上花的时间更多了。

4·The first mission was undertaken a decade ago and broadcast live then worldwide.

第一次任务是在十年前进行的，当时在全世界进行了现场直播。

5·Until a decade ago, most scientists thought that only a volcano had such energy.

直到十年前，大多数科学家认为只有火山才有这样的能量。

6·About a decade ago, university students could find satisfactory and enviable jobs after their graduation.

大约十年前，大学生毕业后可以找到令人满意和羡慕的工作。

7·Despite the dangers, sea cucumber divers were working the area a decade ago when, 51 feet down, they came across a coral block with ceramics embedded in it.

尽管危险重重，十多年前，海参潜水员在这个区域工作，当他们潜入51英尺深的时候，无意中发现了一块嵌有陶器的珊瑚块。

8·A decade ago, this island's ecosystem was in chaos. Wild pigs attracted golden eagles from the mainland, and those flying predators crashed the fox population.

十年前，这个岛的生态系统处于混乱状态，野猪吸引了来自大陆的金雕，而那些飞行的捕食者又使狐狸的数量锐减。

9·Nearly a decade ago it was predicted that viewers of Friends, a popular sitcom, would soon be able to purchase a sweater like Jennifer Aniston's with a few taps on their remote control.

近十年前，有人曾预测，热门情景喜剧《老友记》的观众们只需轻轻按一下遥控器，便很快就能买到詹妮弗·安妮斯顿那样的毛衣。

10·Nearly a decade ago it was predicted that viewers of Friends, a popular situation comedy, would soon be able to purchase a sweater like Jennifer Aniston's with a few taps on their remote control.

大约十年前就有预测认为，流行情景剧《老友记》的观众很快就能通过在遥控器上按几下买到剧中詹妮弗·安妮斯顿的同款毛衣了。