回血

回血	huí xuè	(medicine) (of blood) to flow back into the IV tube / (gaming) to restore health points; (fig.) to recover (to some extent)
回	huí	to circle / to go back / to turn around / to answer / to return / to revolve / Hui ethnic group (Chinese Muslims) / time / classifier for acts of a play / section or chapter (of a classic book)
回	huí	to curve / to return / to revolve
回	huí	variant of 回
血	xiě	see 血
血	xuè	blood / colloquial pr. [xie3] / CL:滴,片