• 2022-05-30
    Unceasing, continuous, it cannot be defined, and r______(return) again to the realm of nothingness. (time: 8:34)
  • reverts

    内容

    • 0

      英译中:Better days will return: we will be with our friends again; we will be with our families again; we will meet again.

    • 1

      Why does the author say that the boundary between middle age and old age cannot be defined exactly?

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      When using a connector for optical fiber connection, if the connector is not continuous, it will cause . A: Optical power cannot be transmitted B: Fresnel reflection of optical power C: Scattering loss of optical power D: Part of the scattering loss of optical power or return to the transmitting end in the form of reflection

    • 3

      中国大学MOOC: Time can be defined in the following ways except _______.

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      They helped us time and again, very kind of them.