pro·jec·tor
noun/prəˈdʒektə(r)/
/prəˈdʒektər/
- a piece of equipment for projecting photographs, films or computer slides onto a screen
enlarge image放映机；投影仪 Oxford Collocations Dictionaryadjective- overhead
- film
- movie
- …
- switch off
- switch on
- use
- …
- screen