例句與造句

1. Switch grass is a perennial, and fountain grass will overwinter in mild climates.
2. Females, invisible amid tufts of big blue stem and switch grass, observed the rite silently.
3. _Two separate earmarks, totaling $ 5 million, to produce gas from Iowa switch grass.
4. Common plants in the Platte River area are big and little bluestem, switch grass, and cottonwood trees.
5. Switch grass ( Panicum virgatum ) : 3 to 5 feet, blue-green turning deep yellow in the fall.
6. It's difficult to find switch grasses in a sentence. 用switch grasses造句挺難的
7. What I saw was big and little bluestem and switch grasses mixed with prairie and yellow gentians and purple prairie clovers.
8. Ethanol from both trees and switch grass have the potential to have a higher energy balance than maize or sugar cane.
9. Inside the circular drive is an island with swathes of native panicum, or switch grass; Rudbeckia Goldsturm; and purple coneflower.
10. According to the U . S . Army Corps of Engineers these prairies consist of buffalo grass, blue gramma and switch grass.
11. Even though much of the population had never heard of switch grass, the idea of a renewable source of energy sparked their interest.
12. Jon Judson, a farmer and biologist, persuaded his neighbors to plant borders of native big blue stem and switch grasses to filter runoff.
13. In 2009, Benton Area School District began using locally grown switch grass as the fuel in a biomass boiler to heat the school facilities.
14. Currently, the Noble Foundation is collaborating with the University of Oklahoma and Oklahoma State University in studying switch grass as an alternative to carbon fuels.
15. The other source of biomass is cellulosic material, such as the much touted switch grass and agricultural by-products like corn stover and straw.
16. Ironweed and switch grass : Sunlight Gardens, 174 Golden Lane, Andersonville, Tenn . 37705; ( 800 ) 272-7396; free catalogue.
更多例句：  下一頁(yè)