It could be hydrogen bonding.

可能是氢键作用。

It could be hydrogen bonding. Could be different.

它有可能是氢键，可能不同。

Because there's weak hydrogen bonding between the unlike species.

因为在不同种分子间，存在较弱的氢键。

There are strong hydrogen bonding interactions between inorganic and guest molecules.

无机骨架和客体分子间存在着强的氢键相互作用。