scumboard

/skuhm-bawrd, -bohrd/US // ˈskʌmˌbɔrd, -ˌboʊrd //

渣滓板,渣滓洞,渣滓岛,渣滓桶

Definitions

n.名词 noun

1
- : a board or strip of material partly immersed in flowing water to hold back scum.