I could feel blood draining from my face. I wondered whether I was about to black out.

我能感到血从脸上淌下来。我不知道自己是不是要昏过去了。

《柯林斯英汉双解大词典》

Results The mortality and morbidity of sinus sagittalis superior blood draining group were much lower than those of the control group.

结果上矢状窦放血疗法治疗组死亡率、病残率明显低于对照组。

youdao

I've tried tricks, like pretending I'm diving into a pool of cold water or visualizing my blood draining down to my toes, but neither has helped.

我试过了方法，例如：假装我正潜入一个冷水，或者想象自己的血液从脚趾头处流光，但是这都不奏效。

youdao