用一句話概括下面這一段 用英語
- 2021-11-19
Though the world is faster and our life is easier than before, we face new problems, for example, pollution, which make things dirty。
As modern technologies made our life much easier, they also brought along serious pollution problems to our environment。
modern traffic and communication bring us convenience but cause problems like pollution 。
綠茶中富含一種名叫兒茶酸的多酚對引起動脈硬化的物質有抑制作用,他不僅有益於人體健康,而且還能防癌,但是,過量攝入兒茶酸會對人體的dna造成傷害。
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