泡 - bubbles, foam, suds

(air) bubble (esp. in a liquid)

bubble; foam; froth; suds; lather; head (on beer)

foaming

styrofoam; styrene foam; expanded polystyrene

foam; bubble

Canada goldenrod (Solidago canadensis var. scabra)

sex worker (at a soapland)

bubbly; foamy; frothy

blow; shock

to give someone a surprise; to catch off guard and fluster; to frustrate (e.g. someone's plans); to give someone a blow; to scare the hell out of

transient; passing; fleeting; ephemeral; like a bubble on liquid

egg beater