“这样一来 酸度会被压下来 而且不用担心冰块融化时味道会变淡”
我想这样写 ：“In that case, the sour would be restrain and you don't have to
worr
y that the flavor would be lightened when the ice melted.
不太确定可不可以用the flavor当主词 希望大家帮我看这句有没有问题

In that case, we can reduce the sourness without worrying that melting ice would dilute the taste.