N a perennial European grass, Danthonia decumbens, with flat hairless leaves 欧洲三齿附属草
decumbent heath grass外倾新格草
grass heath干草原
Grass-heath禾草;石南灌丛;丛草原
N（名词） a perennial European grass, Danthonia decumbens, with flat hairless leaves 欧洲三齿附属草