单词empoison
v.: 使污染；使怀恨；〈古〉使有毒网络: 放毒药；使……中毒
中毒
毒害
使怀恨,使狠毒
〔古语〕使有毒;使污染
The device is in closed circuit and in pressure state to give no chance for epidemic spread and terrorist empoison.
本设备处在闭路有压状态使疫病传播、恐怖投毒无可乘之机；