T 開(kāi)頭單詞
toughest adj.強(qiáng)硬的；棘手的，難辦的；艱苦的；嚴(yán)厲的；牢固的，強(qiáng)壯的；堅(jiān)強(qiáng)的，堅(jiān)韌的adv.以強(qiáng)硬的態(tài)度；強(qiáng)硬地，頑強(qiáng)地n.暴徒; 惡棍
tougher adj.更困難的形容詞tough的比較級(jí).
toughens v.變堅(jiān)韌；變健壯；變頑固
tougheningandreinforcing 增韌增強(qiáng)
toughening v. （使）堅(jiān)硬，兼顧；加強(qiáng)，強(qiáng)化（法律等）（toughen 的現(xiàn)在分詞）
toughener 增韌劑
toughened water gauge glass [經(jīng)濟(jì)學(xué)]鋼化水位計(jì)玻璃[商業(yè)]鋼化水位計(jì)玻璃
toughened safety glass lens [經(jīng)濟(jì)學(xué)]鋼化安全玻璃鏡片
toughened safety glass 鋼化安全玻璃
toughened polystyrene [材料科學(xué)]韌化聚苯乙烯
toughened mechanism [化學(xué)]增韌機(jī)理
toughened glass suspension insulator [經(jīng)濟(jì)學(xué)]鋼化玻璃絕緣子
toughened glass [玻璃] 鋼化玻璃
toughened feet 鐵腳板
toughened caustic [醫(yī)藥科學(xué)]硝酸鉀銀
toughened adj. 堅(jiān)韌的 v. 變堅(jiān)韌；變頑強(qiáng)；變困難（toughen的過(guò)去分詞）
toughen up 困難，使強(qiáng)壯
toughen one's scalp 硬著頭皮
toughen vt. 使…堅(jiān)韌；使…頑固 vi. 變堅(jiān)韌；變頑固