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grain; bead; drop
counter for small round objects including grains, seeds, pills, drops
米の粒が一つも残らないように食べた。
I ate so that not a single grain of rice was left.
台風の日に大きな雨の粒が窓ガラスを激しく叩いていた。
Raindrops were hitting the window glass.
汗の粒が額に光っていた。
Beads of sweat glistened on his forehead.