写出下面单词的中文意思. bulb ______________________ 2. location ___________________ 3. bin ________________ 4. janitor ________________ 5. concept_______________ 6.go green ____________ 7.participate ____________ 8. neglect ______________________9. organic ______________________ 10. serve ______________________ 11. produce __________________ 12. location__________________ 13. reminder______________________ 14. item ______________________ 15. utensil______________________ 16. tetergent ____________________ 17. assum_________________ 18. reuseable ______________________ 19. mop up______________________ 20 recycling ______________________