Subtitles & vocabulary
What if the world runs out of sand? | BBC Ideas
0
林宜悉 posted on 2025/09/12Ever wondered what would happen if we ran out of sand? This fascinating BBC Ideas video dives deep into the surprising science and history behind this essential resource, from ancient Roman concrete to modern construction challenges. You'll pick up tons of advanced vocabulary and gain a whole new appreciation for the humble grain of sand!
Video vocabulary
the world
US
・
UK
- Noun (Countable/Uncountable)
- The earth, together with all of its countries, peoples, and natural features.
- All of the people on earth.
A1
More that people
US
・
UK
- Phrase
- Referring to a specific group of people.
- Expressing a general statement or opinion about people.
A1
More sand dunes
US
・
UK
- Noun (Countable/Uncountable)
- A hill or ridge of sand piled up by the wind in a desert or near a beach.
B1
More Use Energy
Unlock Vocabulary
Unlock pronunciation, explanations, and filters
