| 例句 |
piling (up)verbpresent participle of pile (up) to gradually form into a layer, pile, or masssnow piling up in the driveway at a rapid pace accreting, accumulating, amassing, building up, collecting, concentrating, conglomerating, gathering, massing, stacking (up) agglutinating, clumping, lumpingbanking, drifting, ridging dispersing, dissipating, scattering |