The coldest that salt less ice water can get is 32 degrees Fahrenheit, where there's a balance between the rates of melting and freezing.
含有少量盐的冰水温度最低可达华氏32度，这一温度是凝固和融化的平衡点41~%w|u5[fh;)tP=6)。
Add salt to the mix and the energy balance tips, allowing the temperature to drop below 32 without freezing.
将盐加到最大量能打破能量平衡，使得温度低于32度而不结冰suP8;9n&Zh[d。

Let's say you toss a handful of salt into ice water, and the temperature drops to 20 degrees.
让我们尝试一下，你将少量盐投放到冰水里，温度降到了20度.%!qU,jY^b_Dzks。
At this lower temperature, salty ice water can absorb more heat from the mixture inside the canister, freezing it faster than salt less ice water could.
在这种低温里，盐水能从金属罐里的混合物中吸收更多的热量，与淡冰水相比能尽快将其冻结3Sl)JvKuf(LD。
This means you can quit cranking sooner, kick back on the porch and enjoy some good-old-fashioned ice cream.
这意味着你能快速停止摇动，返回走廊，享受美味的老式冰淇淋了G*oH+R_&nUp。

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