单词释义：根据英语解释写出相对应的单词。 1. a lift in a building _______ 2. a word for petrol in American English _______ 3. as a matter of fact; in fact _______ 4. a set of rooms for living in, usually on one floor of a large building _______ 5. all the words that a person knows _______ 6. happening often _______ 7. accept that something is true or important _______ 8. not suddenly _______ 9. a way of saying words that shows what place someone comes from _______ 10. a big piece or an area of buildings in a town or a city with streets on all four sides _______