体液

hěn duō xīn zàng bìng huàn zhě dōu yǒu tǐ yè zhì liú de wèn tí

很多心脏病患者都有体液滞留的问题。

Many people with heart problems suffer from fluid retention.

xuè yè shì tǐ yè de yī zhǒng

血液是体液的一种。

Blood is a kind of body fluid.