名詞 devaluation:

1. an official lowering of a nation's currency; a decrease in the value of a country's currency relative to that of foreign countries
2. the reduction of something's value or worth

1. Share price plummet or plunge on the news of the devaluation.
   一有貶值的消息，股票價格就暴跌了。
2. There's been a further devaluation of the dollar.
   美元繼續(xù)貶值。