To remove perspiration stains from clothing, dissolve a teaspoon of salt in a cup of hot water and sponge it on.
去除衣物上的汗渍可以把一茶勺盐溶入热盐水中，然后用海绵蘸盐水擦拭。
They created a geological pocket 900 feet long and up to 238 feet wide in the dome by pumping water into it to dissolve the rock salt.
他们把水抽进盐丘来溶解岩盐，在盐丘中打造出一个900英尺长、宽达238英尺的地质容器。
Even though we dissolve the salt in water, we cannot enable common salt to change its chemical properties.
即使我们将普通食盐溶于水，也不能改变其化学性质。
Even though we dissolve the salt in water, we cannot enable common salt to change its chemical properties.
即使我们将普通食盐溶于水，也不能改变其化学性质。
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