Translation

• emission
• discharge
• exhaust (gas etc)

Synonyms

• 下, 投, 投放, 撂下, 施放, 置之脑后

Examples

• 由于一些工厂使用矿物燃料，化学品的排放已经产生严重的环境问题。
  As a result of some factories using fossil fuels, chemical emissions have already caused serious environmental problems.