This dish is not salty enough.
这个菜不够咸。
The cook is tasting that dish, to see if it is salty enough.
厨师在尝那个菜，看看是否够咸。
It should be salty enough so that the fish float to the top.
溶液中含盐量应当足够多，乃至于鱼应该浮起。
The water should be salty enough so that the fish float to the top.
盐水的浓度要高到足以使鱼漂在水面上。
The water should be salty enough so that the fish float to the top.
盐水的浓度要高到足以使鱼漂在水面上。
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