1. This straw sucks.
2. Use air pressure to press.
3. Evaporation (using the principle of heating and evaporation)
4. Add water to a higher level
Be specific. Where is the water?
1. This straw sucks.
2. Use air pressure to press.
3. Evaporation (using the principle of heating and evaporation)
4. Add water to a higher level
Be specific. Where is the water?