Chapter 1 自然地理

  1. destructive

  2. phenomenon

  3. pebble

  4. granite

  5. mist

  6. avalanche

  7. terrain

  8. plateau

  9. hemisphere

  10. equator

  11. Mediterranean

  12. Oceania

  13. climate

  14. humid

  15. freeze

  16. frigid

  17. Celsius

  18. inaprroperiate

  19. contaminate

  20. interesting

  21. wildness

  22. petrol

  23. petroleum

Chapter 2 植物

  1. perennial

  2. burgeon

  3. stale

  4. plantation

  5. forestry

  6. bough

  7. reed

  8. meadow

  9. reef

  10. alga

Chapter 3 动物

  1. primate

  2. vertebrate

  3. reptile

  4. amphibian

  5. fauna