It's a a natural anti-inflammatory agent that helps regulate your skin's pH balance to soothe and lock in moisture.

它是一种天然的抗炎药，调节人体皮肤的酸碱平衡，缓和疼痛，锁住水分。

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The sour-cell enzymes might be maintaining the pH balance of the taste buds, and the tang of soda water is just fallout.

酸感应细胞酶也许维持着味蕾的PH值平衡，而苏打水强烈的气味恰好刺激了它。

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Oatmeal. It's a a natural anti-inflammatory agent that helps regulate your skin's pH balance to soothe and lock in moisture.

燕麦片。它是一种天然的抗炎药，调节人体皮肤的酸碱平衡，缓和疼痛，锁住水分。

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Soil should also be tested for its pH level, a measure of the acid and alkaline balance.

VOA: special.2009.06.09

In addition, the kidney controls the composition of your body of many important ions, sodium bicarbonate which is important in pH balance, potassium.

此外肾脏还能控制,体内很多重要离子的浓度,例如碳酸氢钠,它对于酸碱平衡十分重要,还有钾离子

耶鲁公开课 - 生物医学工程探索课程节选

The solution (pun intended) involved tacking sodium dithionite and hydro-chloride onto the antibiotic, making it into a water-soluble salt. (Drugs prepared as hydrochlorides are commonplace.) To keep the chemicals from oxidizing, Adams tested 50 different agents, such as citric acid and ascorbic acid, and played with various ratios until he got the right pH balance.

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