So, it dissolves easily in polar solvents like water.

因此， 它很容易溶于水等极性溶剂。

Because they are made of ions, they are often soluble in water and other polar solvents, but they have very high melting points.

因为它们是由离子组成的，所以它们通常可溶于水和其他极性溶剂， 但它们的熔点非常高。