• Worse, protective measures like wearing face masks barely help because the particles are too small.

    石远凯说,“糟糕的是,因为颗粒太小,口罩这样的保护性措施几乎不会起到什么作用。”

    youdao

  • The moon is full of tiny particles, a bit like the earth's beach.

    月面上到处细小颗粒有点地球海滩

    youdao

  • Like a wind under a microscope we see the particles not the Current.

    就象显微镜一阵风我们观察粒子气流

    youdao

  • Like a wind under a microscope we see the particles not the Current.

    就象显微镜一阵风我们观察粒子气流

    youdao

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