severe contamination的用法和樣例：
例句
- There is a danger of serious contamination from radioactive waste.
放射性廢棄物有嚴重污染的危險。 - Article 21 If an enterprise or institution causes severe environmental pollution with solid waste,it shall be required to bring it under control within a time limit.
第二十一條對造成固體廢物嚴重污染環境的企業事業單位，限期治理。
