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汉语拼音：zá yīn

1.心脏和大血管内的血液流动受阻或有逆流，产生漩涡，振动心壁或血管所发出的声音。多由心脏和血管病变引起。用听诊器可以听到。

2.见〔噪音〕

1. 心脏或大血管内的血液流动受阻或有逆流，产生旋涡，振动心壁或血管所发生的声音。机器装置、收音机等发生障碍或受到干扰而发出的不应有的声音也叫杂音。

• A bruit is usually detected with a stethoscope and is an indicator of arterial blockage.

  杂音通常由听诊器探测到，提示动脉阻塞。

• The structural defects of a heart are often reflected in the sounds that the heart produces.

  心音的改变和心脏杂音的出现，往往是器质性心脏病的最早体征。

• He believed, he said, in "the silence of clothing" . Yet perhaps he must take some of the blame for the new cacophony.

  圣洛朗说，他相信“时装的寂静无言之声”但是，或许他多少也要为目前时装乐章中一些不和谐的刺耳杂音承担一些责任。

• So far, the only signals detected are bursts of radiation from stars and a murmur of background noise left over from the big bang.

  到目前为止唯一侦测到的讯号是行星辐射爆发，和宇宙大霹雳之后的背景低声杂音。

• Morgan: Look, we need as close to the real voice as you can get, and anything that might be in the background.

  听着，我们需要尽可能真实的声音和背景里的任何杂音。

• "I still have to be careful, " he said, before the phone crackled loud enough that I had to pull it away from my ear.

  “我仍然要小心，”他说，在电话的杂音大到我的耳朵得远离的听筒的程度之前。

• Doctor: The baby has a heart murmur, but this may be normal. Does he seem to be pretty active?

  医生：这个婴儿心脏有杂音，但杂音可能是正常的.他看起来很活泼吗？

• I used to live in a violinist's house in London when I was a student, and straight away the guy said "you're squeaking" .

  在学生时代，我曾经住在伦敦的一位小提琴演奏家那里，一旦我在演奏中出现换把杂音，他就会马上指出。

• We are constantly surrounded by noise, most of which is not audible to us unless we hold something like a seashell close to one of our ears.

  我们处在不断的杂音包围之中，其中大部分杂音我们是听不见的，除非把贝壳之类的东西靠近耳边才能听到。