事实上，他们已经开始从那些非法挖掘的水井中取水了。 更槽糕的事情是，大量的生活污水因此开始进入并严重污染了地下水源，而当地还没有制定相应的法律法规来制止这些行为。
Some Palestinians, he said, pump their own water through illegal wells, with no regulations in place to prevent sewage from seeping into the water source.
我认为我们应该想出一些办法制止他们污染这条河，并号召人们同污染做斗争。
I think we should think out some ways to stop polluting the river, and call on people to fight against pollution.
经过三天的观察，他们找到了水坝塌陷的原因，并采取了措施制止。
After three days of observation, they found out why the dam was sinking and took measures to stop it.
经过三天的观察，他们找到了水坝塌陷的原因，并采取了措施制止。
After three days of observation, they found out why the dam was sinking and took measures to stop it.
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