The profundity of this book is achieved with breathtaking lightness.这本书极为深入浅出。He pretended profundity by eye-beamings at people.他用神采奕奕的眼光看着人们，故作深沉。He lacked profundity and analytical precision.他缺乏深度和分析的精确性。...the profund...
The bayous and backwaters are breeding grounds for mosquitos.小河和死水是蚊子滋生的地方.It came from the backwaters of the Mississippi Delta.它产生于密西西比河三角洲一带.This agency will be relegated to the backwaters of Washington...这个机构将沦落为华盛顿闭塞...