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1·They contain a harmful chemical that caused my liver to fail.

那些药里含有一种有害的化学成分，导致我肝功能衰竭。

2·They contain a harmful chemical that caused my liver to fail.

那些减肥药片里含有某种有害的化学物质，导致了我肝功能衰竭。

3·Miners and chemical workers are at risk of COPD from breathing dust and harmful chemicals.

矿工和化学工人由于吸入粉尘和有害化学物质处于慢阻肺病风险中。

4·A secondary air pollutant is a harmful chemical formed in the atmosphere through a chemical reaction among air components.

一二次空气污染物是一种有害化学形成了在大气中经过化学反应之间的空气成分。

5·Brand perfumes are genuine and completely natural and safe fragrances, free from harmful chemical ingredients and toxic synthetics.

品牌香水是真正的和完全的自然和安全的香水，免受有害的化学成分和有毒合成。

6·Objective to find the harmful chemical components in the solvent of PSZ? 1 caulking compound which has led to an acute toxic accident.

目的了解导致急性中毒事故的PS Z 1堵漏剂溶剂有害化学成分。

7·The symptoms caused by ingestion of a harmful chemical must be counteracted quickly in order to avoid permanent damage to vital organs.

为了避免对五脏六腑的永久损害，因误食有害化学物品而产生的症状必须在几分钟内被中和掉。

8·Endocrine Disruptor is the general narration of harmful chemical substance which affects and disturbs endocrine system of living beings.

环境激素是指影响和扰乱生物内分泌系统的有害化学物质的总称。

9·Supercritical fluid extraction as a sample preparation tool for harmful chemical residue analysis in analytical toxicology are reviewed.

综述了超临界萃取作为样品制备技术在痕量药检分析中的应用。

10·Ideally, it's a place where the air quality is good, the water is safe to drink, and factories aren't dumping harmful chemical waste into the environment.

理想的情况下，那就是空气质量好，饮用水没有污染，工厂不向空气排放废弃物的地方。