v.(使某物[人])坚韧,坚强,强硬( toughen的现在分词 );
例句:
But the combine toughening a main method.
其中复合增韧是主要手段.
The law needs toughening.
需要加强法制的威力.
The toughening mechanism of epoxy resin using silica powder toughened by coating membrane was also discussed.
分析了微裂纹的形成与扩展,探讨增韧硅微粉对环氧树脂的增韧机理.