| 释义 |
pH
noun[ Cusually singular ]
uk /ˌpiːˈeɪtʃ/ us /ˌpiːˈeɪtʃ/
a number that shows how strongly acid or alkaline a substance is, in a range from 0 to 14: 酸碱度，pH 值
Below pH 6.5 is acid, above pH 7.5 is alkaline.pH值低于6.5为酸性，高于7.5为碱性。
The soil in our garden has a low/high pH.我们花园里的土壤pH值较低／高。
SMART Vocabulary: related words and phrases
Miscellaneous units of measurement
acre
acreage
caloric
denier
dioptre
farad
fathom
firkin
flashpoint
joule
kHz
newton
radian
refractive index
röntgen
Scoville scale
SI unit
sievert
sun protection factor
watt
You can also find related words, phrases, and synonyms in the topics:
Chemistry - general words
pH | American Dictionary
pH
noun[ Cusually sing ]
us/ˈpiˈeɪtʃ/
chemistry, biology
a number in a range from 0 to 14 that shows how strong an acid or an alkali a substance is
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