blood pH血液PH值bloodn.血；血统；仇恨vt.流血blood and thunderadj.遍体鳞伤(青一块紫一块)blood lactic acid血液乳酸blood head cheese凝血,熟血块Blood transfusien输血blood pres-sure血压blood group class血型分类, 血型类bloodsucking bugs臭虫blood buffer base血液缓冲碱blood flow energy血流能量blood gas barrier血(液)气(体)屏障

1. He cut his finger deep and the blood flowed out.
   他把手指头割得很深，血流了出来。
2. This widens the inside of the artery, restoring blood flow.
   这样会扩展动脉的内腔，达到恢复血流的效果。