n. 学会, 学院, 协会 vt. 创立, 开始, 制定, 任命
"It's not a theoretical proposition," says Walter Vergara, a forest and climate specialist at the World Resources Institute (WRI).
六级 · CET-6 2026年6月 第2套
For example, an analysis published in 2009 by the World Watch Institute based in Washington, D.C.
六级 · CET-6 2025年6月 第2套
"There is no food insecurity in the world, there is food ignorance," says Cecilia Tortajada, a senior research fellow at the Institute of Water Policy at the National University of Singapore.
六级 · CET-6 2024年12月 第1套
They have to be on Facebook, to know what's going on among friends and family, but they are ambivalent(有矛盾心理的) about it, says Rebecca Eynon, a research fellow at the Oxford Internet Institute, who has interviewed about 200 British teenagers over three years.
四级 · CET-4 2023年12月 第3套
He plans to begin field tests this month, working with Tamale's Savanna Agricultural Research Institute.
四级 · CET-4 2023年6月 第1套