大熔爐

lit. large smelting furnace / fig. the mixing of different ethnicities and cultures / Melting Pot

see 大夫[dai4 fu5]

big; large; great / older (than another person) / eldest (as in 大姐[da4 jie3]) / greatly; freely; fully / (dialect) father / (dialect) uncle (father's brother)

to smelt / to fuse

smelting furnace / forge

stove / furnace