在混合物变硬之前，趁热将其塑造成形。
测试一下看看最后一道漆是否还发黏，如果是的话，那就放着让它变硬。
Test to see if the finish is tacky, and if it is, leave it to harden.
熔岩堆积，变硬，于是火山就形成了。
布丽吉特说：“这是好意，但它们很快就会变硬的。”
Brigida remarked: "That is meant well, but they get hard so soon."
这个方法非常有效，因为玻璃在从软变硬的过程中并没有触及任何物体的表面，因而在经过“火抛光”处理后能保持完美无瑕。
This method was very effective as the glass had not touched any surfaces between being soft and becoming hard, so it stayed perfectly unblemished, with a "fire finish".
挥打蛋清起沫但不变硬。
低温会让它变硬。
然而，研究人员发现，一个长期以来众所周知的使食物变色和变硬的过程也可能与年龄相关的细胞和组织损伤有关。
Nevertheless, researchers have discovered that a process long known to discolor and toughen foods may also contribute to age related impairment of both cells and tissues.
船上的生活已经使他变硬朗了。
把它放在一个干燥的地方直到它变硬。
这种混合物冷却时会变硬。
一旦塑料变硬，并去除掉模具，手指就可以连接到基座上了。
Once the plastics harden and are removed from the molds, the fingers are ready to be hooked up to a base.
DNA分析也揭示了一些基因变体使冰人处于动脉变硬的危险。
The DNA analysis also revealed several genetic variants that placed the Iceman at high risk for hardening of the arteries.
然后当你在度过青春期时，那些毛发会变长、变厚、变硬、变黑。
Then as you go through puberty, it becomes longer, thicker, heavier, and darker.
用胶水使丝带的两端变硬，可以让孩子们在穿洞的时候更容易些。
Glue the ends of the ribbons to stiffen them up and make threading easier.
果实成熟时，瓜的外表皮变黄，变硬，果肉成碧绿色，像果冻一样滑溜。
When ripe, the melon has a thick spiky yellow outer skin, with bright green, jelly like flesh.
变硬的火山岩一直延伸到离火山灰锥4英里（6公里）远的地方，厚达100英尺（30米）。
The hardened lava extends some 4 miles (6 kilometers) from the cinder cone, and is about 100 feet (30 meters) thick.
渐渐的，喉结会变硬；年轻人的软骨组织柔软而有弹性，而成年人的喉结却是骨骼的突起。
Over time, an Adam's apple will grow quite solid; young people have soft, flexible cartilage, while older people have more bony protrusions.
此外，动脉血管还会变硬，弹性的动脉变成“发泡胶管”，从而导致血压升高和加重心脏负担。
In addition, artery walls can stiffen, transforming compliant arteries into conduits like "Styrofoam tubes," Dr. Donohue says, that increase both blood pressure and the workload on the heart.
当一只青蟹褪掉了它的硬壳(也就是它的外骨骼)之后，新长出的壳要等上大概一个星期才能变硬。
Crab sheds its hard shell, its exoskeleton, it has to wait about a week for the new.
我们可以想象一块湿泥巴最后在火上烧制，烘干，变硬，形成一件形状中空的器皿，材料简陋，不过可以盛放东西。
We can imagine that a lump of wet clay somehow ended up in the fire, dried out, hardened and formed a hollow shape; a shape that could hold things, in a tough material.
牙结石—如果菌斑呆的时间足够长，它就开始矿化变硬形成牙石或牙垢，因为菌斑从唾液中吸收了钙，磷和其他矿物质。
Calculus - If left alone long enough, plaque begins to mineralize and harden into calculus or tartar because the plaque absorbs calcium, phosphorus and other minerals from saliva.
由于从小在海边长大，我知道在退潮后的某段时间，沙子由于潮湿会变硬，所以我也经常在这个时候在沙滩上赤脚跑。
But, having grown up by the ocean, I know that for a certain time after the tide has gone out, the sand is solid from the moisture and is more suitable for running, so I run barefoot there often too.
庆幸的是，如果发现得较早，这种因动脉变窄变硬而得名的动脉硬化是完全可以通过健康饮食、锻炼和药物(若必要)而得以逆转。
Fortunately arteriosclerosis, as this narrowing and hardening is known, is entirely reversible by good diet, exercise and (if necessary) drugs, if it is detected early enough.
庆幸的是，如果发现得较早，这种因动脉变窄变硬而得名的动脉硬化是完全可以通过健康饮食、锻炼和药物(若必要)而得以逆转。
Fortunately arteriosclerosis, as this narrowing and hardening is known, is entirely reversible by good diet, exercise and (if necessary) drugs, if it is detected early enough.
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