dots; spots
bit by bit; little by little; gradually
here and there; scattered; dotted
in drops; (falling) lightly
顔にぽつぽつとニキビができた。
Pimples appeared on my face
窓に雨粒がぽつぽつ当たる。
Raindrops are hitting the window bit by bit.
雨がぽつぽつ降り始めた。
Rain began to fall in drops