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- To harden into a crust. 结硬皮变硬结成硬皮
- Melted metal is poured into a mold to harden into shape. 熔化之金属倒入模子中以冷却成形。
- The varnish takes a few minutes to harden. 清漆几分钟就能变硬。
- This mixture is placed into a suitable mould, compacted, and allowed to harden. 这种拌合料灌入合适的模框中，振捣压实，让它硬化。
- The effect of the war is to harden this pose of casual cynicism into a rock-bottom despair. 战争结果把原来荒唐的玩世不恭态度变成了一种彻底的绝望。
- Precast concrete blocks are made by pouring unset concrete into a mold and allowing it to harden. 混凝土砌块是将拌合好的混凝土浇注在模子中,养护至凝固而制成。
- To harden(a metallic surface)by rapid cooling. 冷铸，冷淬通过急冷处理使（金属表面）变硬
- The varnish takes a few hours to harden. 清漆需要几个小时才能干透。
- To harden the surface of(a metal. 使（金属的）表面硬化
- Hot steel is quenched to harden it. 烧热的钢淬火使它坚硬。
- You just have to harden up a little bit. 你必须要更刻苦一些。
- To harden the surface of(a metal). 使（金属的）表面硬化
- Is it possible to unify such scattered islands into a nation? 有可能把这样一些散落在大海上的岛屿统一成一个国家吗？
- To harden(a metallic surface) by rapid cooling. 冷铸，冷淬通过急冷处理使（金属表面）变硬
- The tree kingdom resins pooled and hardened into a soft stone known as amber. 树木王国的树脂汇集起来并硬化，成为所知为琥珀的软石。
- The paint takes a few minutes to harden. 这油漆需要几分钟才能变硬。
- The thieves planned to break into a bank. 行窃者计划洗劫银行。
- Place in freezer for a few hours to harden. 把半成品放入冰箱冷冻直到变硬。
- She used to get into a state as exams approached. 她以前在考试到来之前总是非常紧张。
- There they cool and harden into volcanic ash. 然后在空中它们又冷却变成火山灰。
