One second he could feel her breath on him; the next she was gone and Mr. Chen tough as he was claimed to have burst into tears.
前一秒钟他还能感觉到女孩的呼吸,下一秒钟她就不见了。 尽管老陈是个爷们,但是据他自己说当时也是失声恸哭。
Coughs typically last around one-quarter of a second, comprising a sharp intake of breath, a silent exhalation and then the complex burst of sounds that makes the cough noise.
典型的咳嗽会持续约四分之一秒,包括刺耳的吸气,安静的呼气,然后是形成咳嗽噪声的复杂爆裂声。
A short burst on the instrument creates a spittle shower similar to a sneeze, travelling at a four million droplets a second, a PLoS One journal study shows.
在公共科学图书馆中一本杂志刊登的研究表明,在喇叭上吹一个急促的音调,会产生像打一个喷嚏一样的唾沫喷雾,可以以每秒钟四百万液滴飞向四方。
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