Placeholder Image

Subtitles section Play video

    Subtitles and vocabulary

    Click the word to look it up Click the word to find further inforamtion about it

    B1 US

    【TED】Marcin Jakubowski: Open-sourced blueprints for civilization (Marcin Jakubowski: Open-sourced blueprints for civilization)

    • 0 0
    Video vocabulary