Hxen.com's tips：Every day persisted can learn English well!-->■Learn English Everyday■
autism – n. a condition or disorder that begins in childhood and causes problems in forming relationships and in communicating with other people
headsets –n. a device worn on the head that delivers sound and in some models video
overwhelming – adj. used to describe something that is so confusing, difficult, etc., that you feel unable to do it
familiar –adj. something that has been experienced many times
routine – n. a regular way of doing things in a particular order
behavior - the way a person or animal acts or behaves
awareness – n. knowledge and understanding of what is happening
