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

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2. guidance n. 指导, 引导
例句：Under his father's guidance, he learned how to swim.
他在父亲的指导下学会了游泳。

3. contain vt.包含; 容纳
例句：Rice contains protein and fat.
大米含蛋白质和脂肪。

4. seek vt. 寻找;探索;追求
例句：They were seeking employment.
他们在找工作。

5. satisfy v. 使满意; 满足
例句：Her father tried his best to satisfy her demands.
她的父亲想尽一切办法来满足她的要求。

6. attempt vt.试图; 尝试
例句：He attempted the exam but failed.
他试图通过考试, 但失败了。

7. measure v. 量出; 记录
例句：They measured the strength of an electric current.
他们测量了电流的强度。

8. overturn v. 倾覆;倒下;翻身
例句：The boat overturned.
船翻了。

9. exploration n.探险旅行;搜寻；考察, 探索
例句：These new discoveries have broken new ground in the exploration of the cosmos.
这些新的发现在宇宙探索方面开辟了新道路。

10. propose vt. 提议; 建议
例句：I proposed to go to London on Tuesday.
我打算星期二到伦敦去。