有没有可能是表示像水管一样的东西啊,The [{Cu(en)(OH2)}-
Mo5P2O23]42 chains align in parallel and are packed such that
each chain is circumscribed by two groups of four alike chains,
which are related by a pseudo 4-fold axis, giving rise to an
elongated cylindrical unit. As a result, pseudo-one-dimensional
channels are formed that are filled with the charge-compensating
Hen22+ cations.,这是原文的描写结构的一句话,我没太明白