body exposure

To help prevent osteoporosis, one key step is to follow an eating plan that's rich in calcium and vitamin D.Further, moderate exposure to sunlight helps the body make vitamin D.

为了帮助预防骨质疏松症，其中一个关键步骤，是拟定及遵守适当的饮食计划，丰富的钙和维生素D外，中度暴露在阳光下，有助身体制造维生素。

Too much exposure to X-rays can cause skin burns, cancer or other damage to the body.

接受过多的 X 射线会灼伤皮肤 、 致癌,也会对身体造成其他伤害.

Transmission of HIV always involves exposure to body fluids from an infected person.

感染HIV总是与接触一个受到感染的人的体液有关.

DNA adduct is a covalent complex formed by DNA and electrophilic activity production of toxicological chemicals transformed in body, and it is not only an exposure biomarker but also an effect biomarker.

DNA加合物是化学毒物经生物转化后的亲电活性产物与DNA分子形成的共价结合物，它既是一种暴露标志物，又是一种效应标志物。

Their results confirm that acute alcohol exposure prevents the body from producing certain key pro-inflammatory cytokines.

他们的结果证实了重度酒精暴露抑制了机体生产一定的前炎症细胞因子.