switchgrass ['swɪtʃˌgrɑ:s]

例句:

• And strange to say the ordinary, just pick a fold down switchgrass.
  说来奇特而又普通, 就只是一根随手折下来的柳枝.
  
• Cellulosic ethanol made from switchgrass and wood chips was an example he adding that the U.
  他举用柳枝稷和刨花为原料生产的纤维素乙醇为例.
  
• Switchgrass would seem to be a more viable alternative.
  来自SA
• Will switchgrass be economical to store, transport and process?
  来自SA
• He gently tugs some seeds off the tip of switchgrass.
  来自VOA