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第四篇 心血管系统 Section 4 Angiology 第一章 心血管系统 Chapter 1 Cardiovascular System abdominal aorta 腹主动脉 anterior cardiac vein 心前静脉 anterior inferior sinus of pericardium 心包前下窦 anterior interventricular branch 前室间支 anterior inte
Injection Drug Use Helps Drive HIV/AIDS in Africa Injection drug use has long been a driving factor in the HIV/AIDS epidemic in Eastern Europe and Central Asia. But now, there are signs it's a growing problem in sub-Saharan Africa, as well. The Washi
1. quadrilateral /ˌkwɔdrəˈltərəl/ -- plane figure having four sides and four angles A square is a quadrilateral. 正方形是四边形的一种。 2. collateral /kəˈltərəl/ -- situated at the side; accompanying; parallel; additional; supple
STEVE INSKEEP, HOST: Philadelphia is looking at a new tool to fight opioid addictions - supervised injection sites. That's where people can safely inject heroin or other opioids under medical supervision. It would be the first such site in the U.S.,
You give me premature ventricular contractions. You make my heart skip a beat. 语音讲解: 单词发音 premature /ˌpreməˈtʃʊə $ ˌpriːməˈtʃʊr/ ventricular /ven'trɪkjʊlə/ contraction /kənˈtrkʃən/ 连词发音 skip a beat /skɪpə
DAVID GREENE, HOST: The state of Arkansas has a death penalty problem. The state is rushing to execute death row inmates at an unprecedented pace this month before its supply of lethal drugs expires. The expiration date is important because it's gett