FAQs About the word toughening

增韧

of Toughen

硬化,加强,加强,增强的,回火,退火,提神的,紧致(向上),提神的,紧致(上)

致残的,衰弱的,疼痛的,削弱,有害的,去势的,虚弱的,有害的,损害,削弱

toughened => 强化, toughen => 变结实, tough-cake => 硬蛋糕, tough luck => 倒霉, tough guy => 硬汉,