Adolescence /ˌæd

sustain /səˈsteɪn/ verb [ T ] CONTINUE
1. to cause or allow something to continue for a period of time
The economy looks set to sustain its growth into next year.
He seems to find it difficult to sustain relationships with women.
US The judge sustained (= accepted) the lawyer's objection.
2. to keep alive
The soil in this part of the world is not rich enough to sustain a large population.
sustain /səˈsteɪn/ verb [ T ] SUFFER
3. formal to suffer or experience, especially damage or loss
She sustained multiple injuries in the accident.
Most buildings sustained only minimal damage in the earthquake.
The company has sustained heavy losses this year.
simulate /ˈsɪm.jʊ.leɪt/ verb [ T ]
to do or make something which looks real but is not real
In cheap furniture, plastic is often used to simulate wood.
formal Ruth simulated pleasure at seeing Simon, but really she wished he hadn't come.
Some driving teachers use computers to simulate (= represent) different road conditions for learners to practise on.