This was concerning because human exposure could cause skin burns, radiation sickness.

这令人担忧，因为人类暴露在辐射下会导致皮肤灼伤和辐射疾病。

In humans, exposure to arsenic can damage the way cells communicate and function.

在人类中，接触砷会损害细胞通讯和功能的方式。

Human exposure to microplastics is a possible health concern, but little is known about its extent.

人类接触微塑料可能是一个健康问题， 但对其程度知之甚少。

The first step in determining the risk of microplastics to human health is to better understand and quantify human exposure.

确定微塑料对人类健康风险的第一步是更好地了解和量化人类接触量。

The scientists said microplastic pollution was now ubiquitous across the planet, making human exposure unavoidable and meaning " there is an increasing concern regarding the hazards" to health.

科学家指出，微塑料污染如今在地球上无所不在，不可避免地会殃及人类，这意味着微塑料造成的健康风险“引发的担忧与日俱增”。