Listening practice: The tiny plastic pieces that travel everywhere
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节目导览
本期围绕 microplastics（微塑料）做一段英语听力练习：先完整听一遍英文科普，再用中文抓关键词和长句结构，最后复听同一段英文。重点听懂三件事：微塑料从哪里来、怎样在水和空气中迁移，以及为什么 WHO 对健康风险采用谨慎表述。
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