1、addictive：adj.form of addicts/sth you do that you can not stop \be addictive to\not get rid of
2、all of a sudden：very, very quickly\more common than suddenly
3、intentional：deliberate
4、manipulation：operation
5、ingredients：what's in your food
6、brain imaging：make a picture of the brain
7、techniques：a way of doing something
8、accustomed：you have done before
9、explosion of sensation：all sorts of feelings in your mouth
10、be accountable：you are the person who is responsibility for
來源:可可英語 http://www.ccdyzl.cn/Article/201312/269762.shtml