1. Unit: Science and TechnologyTopic: Air Pressure 2. vocabulary 3. air pressure 4. surface 5. vacuum 6. atmosphere 7. environment 8. Structure 9. ConjunctionA conjunction…
1. Unit: Science and TechnologyTopic: Air PressureMatthayomsuksa 2 2. vocabulary 3. air pressure 4. surface 5. omnipresent 6. atmosphere 7. tendency 8. grammar 9. ConjunctionA…