VOA慢速英语:美国重新定义高血压

vt. 分类，归类; 把…列为密件;
[例句]It is necessary initially to classify the headaches into certain types
首先，必须将头痛分为几个类型。

2.systole

n. 收缩期; 心脏收缩; 心缩期;
[例句]Objective To evaluate the therapeutic effect of amiodarone on refractory ventricular premature systole and its

safe.
目的评价口服胺碘酮治疗难治性室性期前收缩的疗效和安全性。

3.systolic blood pressure

[词典] 收缩期血压;
[例句]This is a combination of the values of six variables: diastolic and systolic blood pressure;
它由六个变量构成：舒张压和收缩压；

4.diastole

n. 心脏舒张，心脏舒张期; 心舒期;
[例句]During diastole, the atria and ventricles of your heart relax and begin to fill with blood.
在心脏舒张期，心房和心室放松，血液开始流入。

5.diastolic blood pressure

[词典] [医] 舒张压;
[例句]Systolic and diastolic blood pressure decreased more in intervention patients than in controls.
干预组的患者的收缩压和舒张压的下降幅度高于对照组的患者。

6.resistance

n. 电阻; 阻力; 抵抗; 抗力;
[例句]The US wants big cuts in European agricultural export subsidies, but this is meeting resistance.
美国想大幅度削减欧洲农业出口补贴，但此举遭到了抵制。

7.category

n. 类型，部门，种类，类别，类目; [逻，哲] 范畴; 体重等级;
[例句]This book clearly falls into the category of fictionalised autobiography
这本书很显然属于自传体小说。

8.edition

n. 版次，版本; （报纸、杂志的） 一份; （广播、电视节目的） 一期; （书、报、杂志等的） 一版印刷总数;
[例句]A paperback edition is now available at bookshops.
平装本现在在书店可以买到。