短新闻泛读 | Day 106：10亿年轻人正面临听力丧失
📰Day106：1 billion young people are at risk for hearing loss
词汇短语积累
1.racket
2.disgruntled
【adj.】If you are disgruntled, you are cross and dissatisfied because things have not happened the way that you wanted them to happen.
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3.engage in
参与加入
4.tinnitus
5.expose
6.drown out
If a loud noise drowns out another noise, it prevents it from being heard.
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