学个词 Learn A Word: stroke 中风

　　今天我们要学的词是 stroke. Stroke 名词，中风。Stroke is a leading cause of death and disability. 中风是导致死亡和残疾的主要原因之一。According to a new study, 9 out of 10 strokes could be prevented. 一项最新研究显示，百分之九十的中风都是可以防止的。The study confirms that hypertension is the most important risk factor and stroke cases can be reduced by 48% if hypertension is eliminated. 这项研究还确认，高血压是导致中风的最主要的危险因素，如果没有了高血压的诱因，中风病例可以减少48%。好的，我们今天学习的词是 stroke, stroke, stroke...