单词学习：runoff 名词
runoff
/ˈrʌn.ɒf/
径流；决赛；决胜选举
After the heavy rain, the runoff from the field carried soil into the river, which concerned Mr. Gu, the environmental science teacher.
大雨过后，田间的径流将土壤带入河中，这让环境科学老师顾老师感到担忧。
单词卡片
卡片已就绪
