melting pot

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. an environment in which many ideas and races are socially assimilated (Freq. 2)
• Hypernyms:
environment, environs, surroundings, surround
2. a vessel made of material that does not melt easily;
used for high temperature chemical reactions
• Syn:
crucible
• Hypernyms:
vessel