那一根源就是声音本身。
The house needs attention but the roof is sound.
房子需要修葺，不过屋顶还完好无损。
Check that joints are secure and the wood is sound.
检查接头是否牢固，木头是否完好。
I am not sure that this is sound democratic practice.
我不能肯定这就是正确的民主做法。
他酣睡着。
This wave of excess density is sound.
这种过剩密度的波就是声波。
Could it be this argument is sound?
这个论点是完好的吗？
The method is as simple as it is sound.
这种方法与想象中的一样简单。
Where there is sound, there must be sound waves.
哪里有声音，哪里就必有声波。
It is widely accepted that the technology we are using is sound.
普遍认为我们正在使用的技术是有效的。
The movement detector is there to identify when she is sound asleep.
移动探测器是用来确认她是否睡沉。
The financial system is sound, and domestic demand has remained robust.
巴西金融体系稳健，内需持续旺盛。
Their advice is sound, but there's so much more they could be telling you.
他们的建议很充分，但是他们还应该告诉你更多。
The principle of bringing all important institutions into a regulatory net is sound.
将所有的监管机构放在一张监管网里这样的原理是正确的。
The sound is virtually undetectable to the human ear.
这声音实际上是人耳难以听得到的。
Sound is the raw material of music.
声音是音乐的原始素材。
The result is that they may sound foreign when speaking their native language.
结果就是，说母语时，他们听起来可能像外国人。
Yet, it is important to note as well that sound is often brilliantly conceived.
然而，同样重要的是要注意到，声音通常是构思巧妙的。
那个声音真讨厌！
The only sound to be heard is their somewhat heavy breathing.
唯一能听到的声音是他们有点沉重的呼吸声。
It doesn't sound like that an engineer is talking to another engineer.
听起来不像是一个工程师在和另一个工程师谈话。
"The only sound I hear," said Wendy, "is like a tinkle of bells."
“我只听到一种声音，”温迪说，“像丁丁当当的铃声。”
What is the sound of one hand clapping?
一个手掌拍出来的是什么声音？
A good way to sound confident is to use short punchy sentences.
一个听上去充满自信的好方式，是要把话说在点子上。
The company is now on a sound financial footing.
该公司现在已是资金稳健。
The system is both practical and ecologically sound.
这个系统不但切合实际，从生态学观点来看也是合理的。
Buy a policy only from an insurance company that is financially sound.
只买财政状况良好的保险公司的保险。
Buy a policy only from an insurance company that is financially sound.
只买财政状况良好的保险公司的保险。
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