Without more help now, the second wave of deaths in Pakistan is coming.

世界卫生组织危机中的卫生行动总干事代表Ala Alwan博士说：“如果目前得不到更多的帮助，巴基斯坦的第二波死亡近在眼前。

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By the time I bring her down from the first floor, the second wave has struck.

我将她从二层带到一层时，第二个浪就袭来了。

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The second wave of the swine flu pandemic is now under way in the northern hemisphere.

北半球正在发生猪流感的第二波大流行。

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He says no one knows whether the second wave will be more severe than the first or will remain moderate.

VOA: standard.2009.09.04

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

The second I walked in, a wave hit me,

我进去的那一瞬就感受到了一股热浪，

哥伦比亚的氛围 - SpeakingMax英语口语达人

They began to give way in the 1970s to the second wave: less costly midrange minicomputers.

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In industry speak, a shift from the first wave of foreclosures to the second wave.

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This is the second wave of a major trend on television, which started with male characters.

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