短語(yǔ)詞組短語(yǔ)toughen up 困難,使強(qiáng)壯toughen mechanism 增韌機(jī)理stump toughen 殘肢韌化toughen ing 熱固性樹(shù)脂toughen inspection 經(jīng)久transformation toughen 相變?cè)鲰gToughen glass 鋼化玻璃toughen effect 增韌效果 返回 toughen