vital fluids meaning in English

维持生合所必需的体液

Overnight, toby had become old and desiccated, as if all his vital fluids drained out of him .
一夜之间，托比变得干瘪而苍老，好象血液被抽干了似的。
But thanks to the alcohol ingested during the process and the loss of vital fluids consequent on repeated acts of spitting , i usually feel drained and depressed afterwards
但在品酒过程中喝下的酒，以及其后反复吐口水所损失的生命液，通常都让我在事后筋疲力尽而且抑郁。