toughened

意思翻译 adj.坚韧的 v.变坚韧；变顽强；变困难（toughen的过去分词） 相似词语短语 toughened glass───[玻璃]钢化玻璃；淬火玻璃，钢化玻璃 双语使用场景 America has toughened its approach to China recently.───最近美国对中国态度强硬。 Entry requirements have since been toughened , raising complaints of double...