单词	accoustic coefficient
释义	accoustic coefficient 声音系数
随便看	a flight maneuver a flight of a flight of ambition a flight of arrows a flight of birds a flight of fancy A flight of fancy with one or two others a flight of geese a flight of imagination A flight of jet fighters thundered past A flight of larks a flight of pigeons a flight of stairs a flight of steps A flight of steps led up to the house A flight of steps led upwards to the front door a flight of stone steps a flight of swallows A flight of the imagination A flight of the imagination;flights of oratory a flight simulator A flight to escape danger a flighty girl a flighty imagination a flimsy bridge/table