权威例句
Dust Bowl.???
Dust Bowl
Dust Bowl
NASA Explains "Dust Bowl"Drought
Travel Back in Time to the Dust Bowl
Brad D. Lookingbill — Dust Bowl, USA: Depression America and the Ecological Imagination, 1929-1941; Brian Griffith — The Gardens o...
On the Cause of the 1930s Dust Bowl
Dust Bowl: The Southern Plains in the 1930s
The Enduring Impact of the American Dust Bowl: Short- and Long-Run Adjustments to Environmental Catastrophe
Academic self-concept: Beyond the dustbowl.
Chapter 6–Academic Self-Concept : Beyond The Dustbowl
Amplification of the North American "Dust Bowl"drought through human-induced land degradation.
Depression, Dust Bowl, Demography, and Drought: The Colonial State and Soil Conservation in East Africa during the 1930s
