exceptional circumstance
美
英 
例句
The supposedly-exceptional circumstance now happens once a week, on average.
现在这种超出预想的情况平均每周发生一次。
When your application encounters an exceptional circumstance, such as a division by zero or low memory warning, an exception is generated.
在应用程序遇到异常情况(如被零除情况或内存不足警告)时,就会产生异常。