UNIT2 8
aquarium [akwtsriam] n.
An aquarium is a building where fish and underwater animals are kept.
—► We took a trip to the aquarium and saw a scary shark.arbitrary [airbitreri] adj.
If something is arbitrary, it is not based on any plan or system, so it seems random.
—► The classroom had many arbitrary rules that made me confused.autobiography [d:tabaiagrafi] n.
An autobiography is a true story of a person’s life written by that person.
—* I read an autobiography about my favorite entertainer.convention [kanvenjan] n.
A convention is behavior that is considered to be common or polite.
—► In the US, a popular convention is to shake hands when you meet someone.gracious [greijas] adj.
If someone is gracious, then they are kind and helpful to those who need it.
—* The operator was gracious enough to help me find his number.improve [impruiv] v.
To improve something means to make it better.
—► He studied hard to improve his test scores from the previous year.insulate [insaleit] V.
To insulate something means to protect it from heat, cold, or noise.
—► People can conserve energy by insulating their houses.intrigue Ontri g] *
To intrigue means to cause an interest in something or someone.
-* Her mysterious past intrigued her new friend.longevity [lancfcevati] n.
Longevity is the ability to live for a long time.
—»Sea turtles have an amazing longevity.misplace [mispieis] *
To misplace something means to lose it.
—► I misplaced my wallet, and I didn’t find it until a week later.