Across
- 4. a substance（物质） that is needed to keep a living thing alive and to help it to grow
- 5. to say that you are willing to do sth for sb or give sth to sb
- 6. a person who speaks as the representative of a group or organization
- 9. too heavy and fat
- 11. the air that you take into your lungs and send out again
- 12. to put sth together with sth else so as to increase the size, number, amount,
Down
- 1. a unit for measuring how much energy food will produce
- 2. a place where meals or snacks are served to the people who work there
- 3. that happened or began only a short time ago
- 7. the state of being unhealthily fat
- 8. an illness affecting humans, animals or plants
- 10. （of food） cooked in hot fat or oil