1. 惩罚：1264 synthetic instrument 合成工具 | 1265 Tainting 惩罚 | 1266 take-or-pay contract 无条件支付合约
1. tainting
1. The company was accused of tainting water supplies with coal ash it dumped into a sand and gravel quarry.
2. It wasn't immediately clear what was tainting the river, the country's second longest.
3. However, some criticize the bank for tainting morality by linking good deeds with reward.
4. Jiang reiterated the importance of education to prevent doping scandal from tainting the image of Chinese sport.