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    filter into

    US

    ・

    UK

    C2
    phr. v.Phrasal VerbTo gradually enter or permeate something.
    The sunlight began to filter into the room as the curtains were opened.

    Video subtitles

    How The Next Batteries Will Change the World

    11:28How The Next Batteries Will Change the World
    • And so now you have to dip the coffee filter into a solution of salt and water.

      And so now you have to dip the coffee filter into a solution of salt and water.

    • And so now you have to dip the coffee filter into a solution of salt and water.

      And so now you have to dip the coffee filter into a solution of salt and water.

    B1