相关单词近义词 congeal (使)凝结, harden (使)变硬, thicken 变浓, solidify 变固体, strengthen 加强, reinforce 加固, toughen 变坚韧, brace 防备, tighten 使紧, steel 钢铁, lace 鞋带, freeze 冻结, tighten up 绷紧, constrain 强迫反义词loosen, 松开临近词stifle, stiff, stiffener, stiffenss, Stiffeners, stiffening, stiffen up, Stiffen paste, stiffener ring, stiffening bar, stiffening rib, stiffened ring 返回 stiffens