As on the Moon, the extent of large impact cratering (i.e. craters too big to have been filled in by erosion since they were formed) serves as an age indicator for the Martian surface.

与月球上相同，那些巨大陨石坑的范围（例如，那些巨大到自形成后尚未被尘埃填满的陨石坑）标志着火星表面的年龄。

youdao

On average, the two million big stones weighed about as much as a large pickup truck.

两百万块大石头的重量通常相当于一辆大卡车。

youdao

The Atlantic ocean is only half as big as the pacific, but it was still very large.(*)

虽然大西洋只有太平洋的一半，但它也很大。

youdao

It was a travelling show of animals and people working under a large tent, later known as the Big Top.

VOA: special.2009.01.11

He described it as large as big dog but said it wasn't a dog and nobody on the street even has a dog.

BBC: Surrey puma sightings: Timeline

Equity investors favored the most beaten-up banks in 2012, pushing Bank of America way out ahead of its peers in a strong year for the market at large as the potential for a big earnings comeback won out.

FORBES: As JPMorgan Readies Earnings, London Whale Back In Focus

His or her job is to help set up large transactions big banks such as RBS, as well as big investors, while protecting their anonymity and details of their transaction, so that other traders cannot manipulate the market against them.

BBC: RBS: The embarrassing transcripts