Fifty-seven feet long and up to nine tons, spinosaurus started poking his head around the early Cretaceous some 100 million years ago.

57英尺长，9吨重，棘龙在大约1亿年前的白垩纪早期就开始四处活动。

youdao

I went home the last time with fifty-seven-year-old twins.

我上次带一对五十七岁的双胞胎回家。

youdao

My mother is fifty-seven years old. She is a retired worker.

我妈妈今年57岁，是个退休工人。

youdao

So,in eighteen fifty-seven, Congress offered to help any company that would try to deliver mail overland to the West Coast.

VOA: special.2010.04.26

It has been produced in all fifty American states as well as in sixty-seven countries, from Afghanistan to Zimbabwe.

VOA: special.2010.05.24

Human rights groups and witnesses say at least one hundred fifty-seven people were killed, a number disputed by the military government.

VOA: special.2009.10.24

Fifty-seven years after the Firebird II headlined the GM Motorama, the turbines are no longer needed.

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Fifty-seven percent of college-educated voters voted no, whereas 58 percent without a college education voted yes.

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Fifty-seven percent of the world's population still lives under some sort of autocratic regime.

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