Relative water content (RWC), water saturation defi-cit (WSD), free water, bound water and cell SAP concentration were all correlated with PF.

叶片相对含水量、水分饱和亏、自由水、束缚水含量，细胞汁液浓度也同土壤PF值显著相关。

youdao

Hydrogen was indeed found, but it is still unclear whether it is in the form of ice, or of some other hydrogen-containing compound, such as hydrated minerals that have water bound chemically into their crystal structures.

ECONOMIST: Creative destruction

The impact will not, however, be sufficiently energetic to melt the lunar soil and release any water that is bound in hydrated minerals.

ECONOMIST: Creative destruction

In a country bound by rules about everything, water safety is a surprising exception.

ECONOMIST: Unsafe waters