Mould the mixture into shape while hot, before it hardens.
在混合物变硬之前，趁热将其塑造成形。
When it hardens, the tartar will need to be removed by your dental professional.
当硬化的牙垢将需要您的牙科专业删除。
If plaque isn't removed promptly with proper oral hygiene, it hardens into tartar.
如果噬菌斑因为没有良好的口腔卫生而留在牙齿中，它将会升入牙垢当中。
For example, the carbon-negative Ferrock cement is stronger than the Portland variety and sequesters carbon dioxide as it hardens.
例如，碳水泥比波特兰品种更能避免二氧化碳硬化。
Fresh ambergris is soft, Black, and smelly; exposed to sunlight, air, and seawater, it hardens, fades, and develops a pleasant scent.
新鲜的龙涎香是软的，呈黑色，有难闻的气味。遇到阳光、空气和海水，就硬化、褪色并产生宜人的香气。
Coal deposits, after all, are petrified peat swamps, and peat is made from decaying plants, which leave their imprints in mud and clay as it hardens into shale stone.
毕竟煤炭矿床本身就是石化的泥炭沼泽，而泥炭的成份是腐烂的植物。当粘土泥浆逐渐硬化成页岩石，腐烂的植物则在上面留下了它们的印记。
As soon as the sulfur is exposed to the ambient air temperature, it hardens into the more-familiar bright-yellow solid. The odor is terrible -- like a combination of rotten eggs and ammonia.
硫磺的气味非常难闻，闻起来像一种混合了臭鸡蛋和氨气的恶臭。
As the molten rock reaches the crust, it quickly cools and hardens.
熔岩到达地壳时，迅速冷却、硬化。
Perfect for this task, as it quickly hardens back up in the desired shape.
为完善这一任务，因为它很快变硬回到了在理想的形状。
The mixture hardens as it cools.
这种混合物冷却时会变硬。
When it cools and hardens , you get chocolate in different shapes and sizes.
等它冷却变硬后，就做成了各种各样的巧克力。
The cement combines chemically with the water it is mixed with, then hardens and strengthens.
这种水泥与水混合后会产生化学变化而凝结硬化。
食物冷却时变硬。
Lava as it cools hardens into rock.
岩浆冷却后凝成岩石。
As snow hardens, it becomes smoother, less porous.
随着雪慢慢僵硬，它渐渐光滑起来，密质起来。
Scleroderma(or progressive systemic sclerosis):Chronic disease that hardens the skin and fixes it to underlying structures.
硬皮病（亦称进行性全身硬化症）：一种使皮肤变硬并固着于皮下结构的慢性皮肤病。
When the ambient temperature is higher than room temperature, the material becomes softening and its strength weakens, vice verse, the material hardens and the intensity of it increases.
三种焊料合金的温度效应也是明显的，环境温度高于室温时，材料软化，强度减弱，反之则材料变硬，强度增大。
It is ideal for applications involving intricate forming because it work hardens more slowly than other alloys.
该型号铝非常适用于涉及到复杂成型的应用领域，因为与其它合金相比，它硬化更为缓慢。
It is ideal for applications involving intricate forming because it work hardens more slowly than other alloys.
该型号铝非常适用于涉及到复杂成型的应用领域，因为与其它合金相比，它硬化更为缓慢。
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