发出声音

The "lub" is the sound of the mitral and tricuspid valves closing.

lub声就是二尖瓣和三尖瓣关闭时发出的声音。

The "DUB" is the sound of the aortic and tricuspid valves closing.

DUB声就是肺动脉瓣和主动脉瓣关闭时发出的声音。

If we were to look at the sound of a G4 tuning fork, we would find that it vibrates at 400 times per second.

如果我们来看看G4音叉所发出的声音，我们会发现音叉大约每秒震动400次。

And above all else, look at her body, make turned-on sounds, and then look into her eyes.

而且最重要的是，看着她的身子，发出疯狂的声音，然后注意她的眼神。

He can hear the snap of a twig.

他能听到树枝发出的噼噼啪啪的声音。

Next he rose on his hind feet and pranced around, in a frenzy of enjoyment, with his head over his shoulder and his voice proclaiming his unappeasable happiness.

接着它昂起头，后腿着地，欢快地跳来跳去，按捺不住发出高兴的声音。

Great changes have taken place in the past three decades in Shanghai and in China. Humble as he is, his experience has brought him face to face with facets of a changing era that might otherwise have gone unremarked. Photographing has become an integral part of his life, and his works have turned out to be a sweeping saga. Most of the subjects that he has captured on celluloid have passed into history.

徐喜先作品的问世标志着一个重大的转向，即摄影话语绝不再是少数专业人士操控的玩意，摄影的价值判断需要民主化的重建，过去的二三十年是上海乃至中国剧变的时代，徐喜先作为一介平民，在与大时代的对话和周旋中暗自微妙地发出自己的声音、在社会历史的记录文本中坚持个人的、独立的、民间的立场，这些令我无比的激动。

But it's all that he can utter.

但是这是他能发出的唯一的声音

I get to vibrate my voice unconsciously, it's the first time that I sang pure and simple.

总是不自觉地发出颤音。。这是第一次我用这麼清楚简单的声音演唱。

State Council Development Research Center, Vice-Minister Wei Jianing macro that the central bank in the relatively early when issued a signal, however, the central bank's signal and other voices from all aspects of mixed together.

国务院发展研究中心副部长魏加宁宏观调控，央行在相对较早的时候发出了信号，但是，央行的信号和其他各方面的声音混合在一起。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷