然而由于手臂的位置低于心脏，所以抖动悬垂的手臂只能让新鲜的血液流进前臂，但是不能促进“陈血”流出前臂。
While the dangling-arm shakeout allows good blood flow into the forearm, it doesn't help the flow of "old blood" out of the forearm, due to the arm's position below your heart.
周围末梢动脉血管疾病——手臂和腿供血血管的疾病。
Peripheral arterial disease - disease of blood vessels supplying the arms and legs.
透过挡风玻璃，他看到一个人向他走来，手臂上都是血。
Peering through the windshield, he saw a figure approach him, arm covered with blood.
如果对手臂和腿的氧合血的供应减少，坏疽可能发生。
Gangrene may occur if the oxygenated blood supply is reduced to the arms and legs.
让医护人员知道你是否对哪个手臂有偏好，并把曾经成功献过血的良好的血管展示给他们。
Let the phlebotomist know if you have a preferred arm and show the staff any good veins that have been used successfully in the past to draw blood.
扶手椅上躺着梅森先生，他的衣服上和手臂上都有血。
In an armchair lay Mr Mason, his clothes and his arm covered in blood.
我咬破手臂吮了几口血。
我咬破手臂吮了几口血。
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