grit: n.1.粗砂,砂砾,砂粒。2.=gritstone.3.〔口语〕刚毅,坚韧,勇气。短语和例子a hone of good grit优质磨石。 Americans of the true grit道地的美国人。 hit the grit 〔美俚〕走路,跋涉。 put (a little) grit in the machine 破坏正常工作,捣乱。vi.(-tt-) 发轧轧声
5 the permit holder shall ensure that all runoff from the construction site is routed through oil / grit separators and / or sediment basins / traps before discharge into nearby receiving waters 许可证持有人须确保建造工地流出的所有径流,均先流经油污砂砾分隔器及或沉淀池沉积物捕集装置,才排放出附近的接收水体。