cross contaminated

基本解釋

If the protein source was obtained elsewhere, how is it determined that it was not cross contaminated with bovine SRM from countries not of negligible BSE risk?
如果這些蛋白源來自于其它地方，那么如何確保不被來自于非瘋牛病風險可忽略國家的特殊風險物質污染。
www.zwgk.suzhou.gov.cn
Cholera can spread from contaminated water and bad sanitation. This week, the Red Cross donated pumps, water-testing equipment and spare parts to the Zimbabwe National Water Authority.
霍亂可以經(jīng)由受到污染的水和不良的衛(wèi)生環(huán)境傳播。這個星期，紅十字會向津巴布韋國家水務部門捐贈了水泵、化驗水的設備，以及維修配件。