agricultural runoff的用法和樣例：
例句
- Every year, for example, a mother lode of nitrogen drains into the Mississippi River, mostly from agricultural lands, and pours into the Gulf of Mexico.
每年，密西西比河會(huì )有一條主河道不斷的灌入氮元素，大部分都是從農業(yè)徑流獲得，最終流入墨西哥灣。
詞匯搭配
- run off 逃跑
