她的声音突然间夹杂了呼吸声。
我能够听到他那急促的呼吸声。
听听他们平缓的呼吸声。
唯一能听到的声音是他们有点沉重的呼吸声。
The only sound to be heard is their somewhat heavy breathing.
娜娜知道那种呼吸声，她试图从莉莎的手中挣脱出来。
Nana knew that kind of breathing, and she tried to drag herself out of Liza's clutches.
那天晚上，爷爷从沙发上起来十次，听海蒂平静的呼吸声。
About ten times that night the grandfather rose from his couch to listen to Heidi's quiet breathing.
他们现在能听到彼此紧张的呼吸声，这说明更可怕的声音已经过去了。
They could hear each other's distressed breathing now, which showed them that the more terrible sound had passed.
他的呼吸声很重，总是问我各种各样的问题——学校怎样、我那可怕的小提琴课上的怎样。
He breathed noisily through his mouth and asked me all kinds of questions about school and my dreaded violin lessons.
他又敲了一下门，敲得比先前更用力了，因为他听见迫害者在身后的脚步声和吃力的呼吸声。
He knocked again, harder than before, for behind him he heard the steps and the labored breathing of his persecutors.
听上去像一只巨大的野兽的呼吸声！
你要仔细听才能听见老人的呼吸声。
你能听到他费力的呼吸声。
我们站在那里聆听着我们自己的呼吸声。
采用驻波管法测量了多种粮食的吸声系数。
Methods Use a standing wave tube to measure the sound absorption coefficient of many kinds of grain.
我可以非常清楚地听到我的呼吸声和心跳声。
I could hear my breathing and feel my heartbeat over the sounds of anything else.
它具有成本低、耐久性高、吸声性能好的特点。
Its good characteristics include low cost high durability and good property of sound absorption.
我听见了海蒂清晰的呼吸声，但她什么也没有说。
她能听到他不均匀的呼吸声，似乎他是跑着过来的。
She could hear his ragged breathing, as if he had been running.
注意力集中在悠长的呼吸声中，并体会紧张感逐渐消失。
Concentrate on the long sighing sound and feel the tension dissolve.
在这种环境下，我都能听见自己的呼吸声，听到自己心脏的跳动。
I could hearmy breathing and feel my heartbeat over the sounds of anything else.
试验结果表明，石墨改变了涂层的密度，提高了涂层的吸声系数。
It found that the graphite changed the density of the coating, and improved the sound-absorption coefficient of the coating.
他是逐渐注意到这种呼吸声的，因而他确实不知道它已经存在多久了。
And he had come to notice this breathing so gradually that he had really no idea how long it had been there.
而在多孔金属材料一侧添加背衬是一种提高吸声性能的有效可行的方法。
Adding a back lining at one side of the porous metal material is an effective and workable way to improve its sound absorption properties.
结果表明，不同背衬对吸声覆盖层吸声性能的影响具有明显不同的特性。
The results show that the influences of various backings on the acoustic characteristics of anechoic coating are obviously different.
结果表明，不同背衬对吸声覆盖层吸声性能的影响具有明显不同的特性。
The results show that the influences of various backings on the acoustic characteristics of anechoic coating are obviously different.
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