Across
- 4. causing harm, damage, or injury to someone or something
- 6. in a way that makes a profit(利益) [ c- ]
- 9. to choose to take up an idea, method, or course of action
- 11. can be used
- 12. a soft red-brown metal which pass electricity and heat easily, and used for making wire and coins
- 16. having official permission [ a- ]
- 17. to be real or present
- 18. a new idea, method, or invention
- 19. to make something smaller in size, importance, or value; to reduce
Down
- 1. in a way that relates to chemistry or chemicals
- 2. to burst or to break up into pieces
- 3. to fill a battery with electricity
- 5. to change in a chemical way when mixed with another chemical substance
- 7. a way of doing something
- 8. a substance used in chemistry or produced by chemistry
- 10. a chance that something might happen or be true
- 12. to take in and store electricity
- 13. steady and not likely to change or fail
- 14. a heavy, soft, gray, poisonous metal
- 15. to show information on a screen [ d- ]