global pesticide contamination

例句：

1. 1.The global pesticide contamination isa major environmental issue.
   全球农药污染是一个重要的环境问题。
2. 2. The government has taken measures toreduce the global pesticide contamination.
   政府已经采取措施来减少全球农药污染。
3. 3. Theglobal pesticide contamination posesa threat to human health.
   全球农药污染对人类健康构成威胁。