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】Stephen Petranek: Your kids might live on Mars. Here's how they'll survive (Your kids might live on Mars. Here's how they'll survive | Stephen Petranek)

    • 0 0
    Video vocabulary