For example, having salt on the outside, but none on the inside, reduces the saltcontent without changing the taste.
例如,在外面加盐但在里面不加盐可以减少盐含量,也不会改变口味。
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They allow a certain amount of salt to enter their cells, bringing the saltcontent of the water within the plant, to a slightly higher concentration than that of the surrounding seawater.