词典释义：
双语例句
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Mines make incredible scouts-- lay them in well traveled areas, and outside the defensive perimeter of your town to spot and harass enemy troops.
蜘蛛雷往往有意想不到的侦察效果，把它们埋在敌人常经的路段和己方基地防御阵地的前沿，以侦察和骚扰敌方部队。