| 释义 |
rough bluegrass in American English a cultivated bluegrass (Poa trivialis) often grown in shady or moist spots as a lawn grass rough bluegrass in American Englishnouna grass, Poa trivialis, native to Eurasia and naturalized in North America, where it is used in mixtures for lawns and pasturage Word origin [1920–25 ]This word is first recorded in the period 1920–25. Other words that entered Englishat around the same time include: Unknown Soldier, checkout, follow-up, fundamentalism, ski jump |