It is a coming tide whose waters retreat a little after a single wave, but the next one is closer to your heart than the one before.

又如涌来的潮水，正因为有一浪过后的退却，下一浪才会比前一浪更靠近你的心。

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A tsunami is not a single wave, but a series of waves that can travel across the ocean at speeds of more than 800 kilometers an hour.

海啸并非只有一波海浪，而是一系列海浪。这种一波又一波的海浪在大洋中可以每小时800公里的速度传播。

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Benign liver disease only showed single wave image.

良性肝脏疾病仅出现单波图像。

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I just showed you that you can have a single wave, a double, a triple and so on.

我想说的是你能得到单个波，双波，三条波等等。

麻省理工公开课 - 固态化学导论课程节选

So, if something cycles through five wavelengths in a single second, we would just say that the frequency of that wave is five per second.

如果一个东西在一秒,内经历了五个波长，我们就说这个波的,频率是每秒5次。

麻省理工公开课 - 化学原理课程节选

All the agony of childbirth had hit her in a single wave.

CNN: Delivering my son: 'Breathe, baby, breathe!'

If the tide of South-East Asian migrants had broken upon Bradford in a single wave, as did the Kenyan and Ugandan Asians who fled to London and the Midlands in the late 1960s and early 1970s, their story would be simpler, and happier.

ECONOMIST: Segregation

These waves travel at the speed of sound, but when a jet travels at Mach 1 and above these waves merge into one single shock wave as they cannot get out of the way of each other quickly enough.

CNN: Bang goes the sonic boom