VOA慢速英语:John Wesley Powell, 1834-1902: Famous Explorer of the American West

turn out结果是, 原来是
例句：He said he was a doctor; but later he turned out to be a cheat.
他自称是个医生, 结果证明他是个骗子。

2. We raise our little flag, push the boats from shore, and the current carries us down.  Wild emptiness is stretched out before me.

stretch out延伸; 绵延
例句：You can enjoy the extraordinary sight unbroken cloud plains that stretch out before you.
你可以欣赏展现于面前一望无边的奇特云海。

3. Until then, the land had been known only to Indians and prehistoric tribes.

be known to为…所熟知
例句：He is known to everyone in this university.
在这所大学里, 人人都知道他。

4. He realized that the only good scientific education in the country came from colleges in the east, like Harvard and Yale. 

come from由…造成, 源自
例句：Knowledge comes from practice.
知识来自于实践。

5. In April, eighteen sixty-one, civil war broke out in the United States.

break out (战争、打斗等不愉快事件)突然发生, 爆发
例句：The Second World War broke out in September 1939.
第二次世界大战爆发于1939年9月。

6. He urged state lawmakers to provide more money for the Society's museum.

provide for为…提供
例句：The local government provided special buses for the guests.
地方政府为宾客提供了专车。

7. Powell's group brought back enough information to satisfy those who supported it.

bring back带回(某人或某物); 还回(某物)
例句：On your way home from your aunt's, will you bring some coffee back?
你从姑母家回来时, 买点儿咖啡带回来好吗?

8. A second, similar trip took place the following year.

take place发生; 举行
例句：The evening party will take place on New Year's Eve.
晚会将在除夕那天举行。

9.  Since the explorers were mapping unknown territory, they named the places they passed as they went along.

go along进行
例句：How is your work on that novel going along?
你那本小说写得怎样了?

10. The explorers suffered from a hot sun, and cold rain.  They lost many of their supplies.  Yet they pushed on.

suffer from受苦;患病
例句：My father suffers from high blood pressure.
我父亲有高血压。
push on继续向前, 坚决进行下去
例句：We must push on with our work.
我们必须努力把工作做下去。