N-UNCOUNT 酸碱度,pH值(小于7为酸性,大于7为碱性) The pH of a solution indicates how acid or alkaline the solution is. A pH of less than 7 indicates that it is an acid, and a pH of more than 7 indicates that it is an alkali. 酸碱度,pH值(小于7为酸性,大于7为碱性)
...the pH of sea water.
海水的酸碱度
Skin is naturally slightly acidic and has a pH of 5.5.
皮肤具有天然弱酸性,pH值为5.5。
The fluid that emerges from the vents is acidic (pH 3) and hot.
N-UNCOUNT [oft aNOUN]酸碱度; pH值; 小于7为酸性,大于7为碱性The pHof a solution indicates how acid or alkaline the solution is. A pH of less than 7 indicates that it is an acid, and a pH of more than 7 indicates that it is an alkali. 酸碱度; pH值; 小于7为酸性,大于7为碱性
...the pH of sea water. [+ of]
...海水的酸碱度。
Skin is naturally slightly acidic and has a pH of 5.5. [+ of]