extensive中等

Weeks after completing the expedition, Hayden collected his team’s observations into an extensive report aimed at convincing senators and representatives, along with colleagues at government agencies like the Department of the Interior, that Yellowstone ought to be preserved.

考察结束几周后，海登把团队的观察结果汇编成一份详尽的报告，旨在说服参众两院议员以及内政部等政府机构的同僚相信，黄石应当受到保护。

On top of this, they produce value from their extensive educational programs, their positive impact on the climate through carbon sequestration, their contribution to our cultural and artistic life, and of course through tourism.

除此之外，它们还通过广泛的教育项目、通过固碳对气候产生的积极影响、对我们文化艺术生活的贡献，当然还有旅游业创造价值。

Studying Scovell’s papers at the Public Record Office, London, I found that he had left an extensive journal and copious notes about his work in the Peninsula.

在伦敦公共档案馆研究斯科维尔的文件时，我发现他留下了大量日记和丰富的笔记，记录了他在半岛的工作。

is as extensive as in Europe.

和欧洲一样广泛。