They were giant, sometimes 8 feet long , and many of them lived in the swampy pools in which our coal seam, or layer, or formed.

它们体型巨大，有时有8英尺长，其中许多生活在沼泽地里，我们的煤层就是在这里形成的。

youdao

That was our coal shed.

是我们的煤棚。

youdao

And our coal shed was their coal shed, too.

我的煤棚也是他们的煤棚。

youdao

the ax has enlarged the borders of our settlements, and the mines, as well of iron and coal as of the precious metals, have yielded even more abundantly than heretofore.

VOA: special.2009.11.23

"We're probably more optimistic than the pundits might be,". "With that in mind, we're putting everything we can, it's the coal to our engine, lending is what we do.

VOA: standard.2009.12.20

Look, I want to make sure we use our oil, our coal, our gas, our nuclear, our renewables.

WHITEHOUSE: The White House

"Our coal-fired generation has certainly picked up" in recent months, says Nick Akins, chief executive of Ohio-based American Electric Power Co.

WSJ: Rise in U.S. Gas Production Fuels Unexpected Plunge in Emissions

Plenty of studies show we can run the economy on clean energy and shut down our coal, oil, nuclear and gas plants in the lifetime of the existing stock.

FORBES: Why POTUS should say no to Keystone