名詞 melting pot:

1. an environment in which many ideas and races are socially assimilated
2. a vessel made of material that does not melt easily; used for high temperature chemical reactions
   同義詞：crucible

1. I don't know when we will be able to make a start because the whole project has gone back into the melting pot.
   我不知道我們什么時候能開始，因為整個工程又回到了動蕩不定的局面。
2. The scientist's discovery threw that old theory into the melting pot.
   這個科學(xué)家的發(fā)現(xiàn)使那個舊理論成為無用之物。