词性及解释：

n.
bubble

常用短语：

泡沫经济 bubble economy

例句：

The big mystery is the failure to see the housing bubble.
最大的奥秘在于没有看到房地产业的泡沫。

Wang Chunzheng, vice-minister of the State Development Planning Commission, declared that China's effort to expand infrastructure construction would not lead to a bubble economy.
国家发展计划委员会副主任王春正说：中国加大基础设施建设力度不会导致经济泡沫。