He was a charming mixture of glum and glee.他是一个很有魅力的人，时而忧伤时而欢笑。How pleasant it is to dine on fine well-cooked fish and fresh vegetables,in such charming surroundings!在如此令人陶醉的环境中,能吃上精心烹调的鱼和鲜嫩可口的蔬菜该有多美！an exquisitely charm...
CASCAD会包围污染物质,使污染物质不会泄漏,于是就不至于造成下风处的灾害了.CASCAD closes over the contaminants, thereby eliminating outgassing and associated downwind hazards.新闻曝光使污染问题的外延型更加清晰.With every news report , the externality dimension of environm...