I got to know that the only water source in some villages contain all but High-Fluoride water (over 7.8mg /L).But the limit should be 1 mg/L.是什么意思_I got to know that the only water source in some villages contain all but High-Fluoride water (over 7.8mg /L).But the limit should be 1 mg/L.在线翻译_英语_读音_用法_例句