学个词Learn a Word 第1324期 volatile

　　今天我们要学的词是volatile¹。 Volatile, 不稳定的，动荡的。 "Wall Street ended a volatile week of trading," 华尔街股票交易结束了动荡的一周。 "With Europe's debt crisis and America's debt rating downgraded, global stock markets traded in volatile sessions," 人们担忧欧洲债务危机和美国评级下降，全球股票市场交易动荡。 "As the U.S. stock market continued its volatile ride, technology giant Apple has become the most valuable company in the world," 美国股市大幅动荡的同时，科技巨头苹果公司成为全世界市值最高的公司。好的，今天我们学习的词是volatile...

1 volatile   

adj.反复无常的，挥发性的，稍纵即逝的，脾气火爆的；n.挥发性物质

参考例句：

• With the markets being so volatile,investments are at great risk.由于市场那么变化不定，投资冒着很大的风险。
• His character was weak and volatile.他这个人意志薄弱，喜怒无常。