英语语法分析

Azotemia is seldom responsible for symptoms unless its severity is sufficient to produce uremia.

氮血症除非严重到足以造成尿毒症，否则很少引起症状。

Azotemia is seldom responsible for symptoms unless its severity is sufficient to produce uremia.

症除非严重到足以造成尿毒症，否则很少引起症状。

Sodium polystyrene sulfonate is adequate for varieties of hyperkalemia and azotemia due to renal failure.

降血钾树脂适用于各种高血钾增高症及肾功能衰竭引起的氮质血症。