harden into的意思是：变得确定。
harden into的意思是：变得确定。harden into的例句是There they cool and harden into volcanic ash.然后在空中它们又冷却变成火山灰。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。They can harden into a thick cyst, and can leave behind deep, hard-to-remove scars.他们可以把一个厚厚的囊肿硬化，并能留下深刻的，难以去除的疤痕。
一、参考翻译点此查看harden into的详细内容
二、例句
There they cool and harden into volcanic ash.
然后在空中它们又冷却变成火山灰。
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。
They can harden into a thick cyst, and can leave behind deep, hard-to-remove scars.
他们可以把一个厚厚的囊肿硬化，并能留下深刻的，难以去除的疤痕。
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