They begin to harden.
它们开始僵化了。
to harden one's heart
使心肠变硬
To harden into a crust.
结硬皮变硬结成硬皮
To strengthen or harden.
使坚强，使变硬。
Allow the clay to harden.
让粘土变硬。
to harden the base with lime
加石灰使地基牢固
He is harden toward the girl.
他对这个女孩冷酷无情。
Their work is to harden steel.
他们的工作就是使钢淬火。
Why shall harden steel is annealled
淬火钢为什么要退火呢
Hot steel is quenched to harden it.
烧热的钢淬火使它坚硬。
Don't harden your heart against him.
别对他硬心肠。
To render callous or unfeeling harden.
使麻木使无感觉硬化。
Harden up a little, we need more speed.
把帆索拉紧一点，我们需要加快速度。
You just have to harden up a little bit.
你必须要更刻苦一些。
The tenderminded must harden themselves.
性格脆弱的人必须使自己坚强起来。
Please dont harden your heart against me.
请别对我那么硬心肠。
They harden clay by putting it in a fire.
他们把粘土坯放在炉火里使其变硬。
The varnish takes a few minutes to harden.
清漆几分钟就能变硬。
Place in freezer for a few hours to harden.
把半成品放入冰箱冷冻直到变硬。
Acrylic plastic is used to harden the paper.
丙烯酸塑料是用来加强纸张硬度的。
There they cool and harden into volcanic ash.
然后在空中它们又冷却变成火山灰。
How OK the volition of harden oneself adamancy
怎么可以磨练坚强的意志
Harden drawnwire very easy to get from brass net.
硬得铜丝很容易从铜网上得到。
Insurance rates have harden in the previous years.
前几年保险费率绷得很紧。
Property prices are just beginning to harden again.
房地产价格刚开始重新趋于稳定。
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