Parents who smoke in the home can cause their child's arteries to show signs of clogging and hardening, dramatically raising their overall life-time risk of heart attack.
父母在家中吸烟可导致孩子的动脉表现出阻塞和硬化的迹象，并显著增加孩子一生中心脏病发作的风险。
Just add a couple of tablespoons of white vinegar to your plaster mix. It will slow down the hardening process to give you the extra time you need.
加几汤匙白醋在石膏里，这样石膏就会凝固得慢从而让你有足够的时间来打理一切了。
CYCLE time: Amount of time product spends in a furnace at specified temperature for the purpose of carburizing or hardening product.
周期：产品在炉中某特定温度下渗碳或硬化所需要的时间。
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