短語(yǔ)詞組短語(yǔ)toughen up 睏難，使強(qiáng)壯toughen mechanism 增靭機(jī)理stump toughen 殘肢靭化toughen ing 熱固性樹(shù)脂toughen inspection 經(jīng)久transformation toughen 相變?cè)鲮zToughen glass 鋼化玻璃toughen effect 增靭傚果 返回 toughen