nổi bọt 
foam [ nổi ] : (1) to rise, surface, become; in relief; (2) to be able to
[ bọt ] : foam, bubble, spray, scum
Most Common Compounds Set 1:
Most Common Compounds Set 2 :
cốc bia nổi bọt a glass of foaming beer nổi bọt foam cốc bia nổi bọt a glass of foaming beer