保水；保水性；水份保持；保水力
英英釋義：
Water retention
abstract:
The term water retention (also known as fluid retention) signifies an abnormal accumulation of fluid in the circulatory system or within the tissues or cavities of the body.
雙語例句：
1.
This water retention equals extra unwanted weight.
這些水的保留就等於多余的體重。
2.
High sodium/salt content promotes water retention.
高含量的鈉（鹽）會促使水液儲留。