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汉语拼音：xīn zàng

人和动物（部分低等动物除外）体内推动血液循环的器官。人的心脏位于胸腔内，两肺之间稍偏左。分四腔，上为左右心房，下为左右心室。由房中隔与室中隔使左右互不相通。心房与心室间以及心室与主动脉、肺动脉间有瓣膜，以防血液倒流。心房和心室通过收缩与舒张推动血液经血管循环全身。

1. 生理学名词。人和脊椎动物体内推动血液循环的器官。人的心脏在胸腔中部，稍偏左方，呈圆锥形，大小约跟本人拳头相等，内部有四个空腔，上部两个是心房，下部两个是心室。心房和心室的舒张和收缩推动血液循环全身。

   柔石 《二月》一：“医生说他心脏衰弱。”

2. 比喻中心地带或最重要的地方。

   水运宪 《祸起萧墙》：“转了几个科室， 梁友汉 提议再到区调度室看看，那是全区供电的心脏。”

• The at least one electrode may be attached to the subject's skin or to the subject's heart.

  可以将所述至少一个电极连接到个体的皮肤或个体的心脏。

• In one of my consulting projects, we were trying to identify the risk of heart failure for patients based (primarily)on their EKGs.

  在一个我担任顾问的项目中，我们试图根据患者的心电图判断出他们患心脏病的几率。

• When a man and a woman die, as poets sung, His heart's the last part moves--her last, tongue.

  如诗人所吟诵的一般，人死的时候，男人最后停止活动的部分是心脏，而女人则是舌头。

• The heart intervention treatment lagging includes a protection surrounding collar and a surrounding collar sleeve.

  提供一种卫生方便的心脏介入治疗防护套。

• Blood pressure can be estimated by looking at the vertical distance between the head and the heart.

  血压可以通过测量从头部到心脏的垂直距离计算出来。

• In contrast, transplants of the heart, lung, or kidney use a slightly different process known as an allograft.

  与此相反，心脏、肺或者肾脏的移植来自别的个体体内，即异体移植。

• For Rutland, and many other small towns like it, a local school is a community's heart and a main employer.

  对拉特兰和众多类似的小镇来说，本地学校是整个社区的心脏，是主要的用人单位。

• of Europe has meant that Austria has always been a junction for communications between the continent's main economic and cultural centres.

  奥地利处于欧洲心脏的地位意味着它历来是该大陆各大经济中心和文化中心的联络枢纽。

• This process, called fibrosis, causes the heart to become inflexible, unable to contract and pump blood efficiently.

  这个叫做纤维症的过程，导致心脏失去弹性，无法有效地供血。