16. 第十六篇 The Dangers of Plastic Bags（下）讲解音频

第十六篇  The Dangers of Plastic Bags（下）

Unlike items that naturally biodegrade, plastic bags photodegrade, meaning that over time the plastic breaks down into smaller, more toxic substances. These contaminants poison our soil and water and then enter our food chain.

重点词汇：degrade降解  toxic=poison有毒的

contaminate污染  contaminant污染物

短语搭配：break down分解  food chain食物链

Microplastics found in human stools for the first time

Study suggests the tiny particles may be widespread in the human chain.

Victims受害者

Awareness意识