particlen.颗粒；微粒；极小量；质点；粒子；[语]小品词particle phase颗粒相particle flame粒子火焰Particle sizes粒径particle model粒子模型particle grade颗粒级配particle cloud粒子云particle crush颗粒破碎particle width粒子宽度particle drift质点漂移particle shape颗粒形状,粉粒形状