pollute同义短语为contaminate
例句
1、
The drinking water has become contaminated with lead.
饮用水被铅污染了。
2、
One secret military unit tried to contaminate the drinking water of the refugees
一个秘密军事分队企图污染难民的饮用水。
3、
They were accused of contaminating the minds of our young people.
他们被指控毒害我们青少年的心灵。