英语词汇“toughen”的读音、翻译、释义、用法及例句-啃外文网

词汇	toughen
释义	toughentoughen[ˈtʌfn]vt., vi.1.■使[变]强韧; 使[变]坚强; 使[变]倔强; 使[变]困难继承用法toughenern.1.■增韧剂tougheningn.1.■高温回火; 韧化处理
随便看	clean-up period clean-up process clean-up pump clean-up scraper clean up the aircraft clear CLEAR -clear -clear clear (1,000 pounds) from clear acceptance clearage clear air clear-air turbulence clear all command clear an aircraft to pass clearance clearance 5print clearance adjustment clearance angle clearance bar lever clearance card clearance compensation clearance diagram clearance diameter

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