1. 干涸：run down撞倒,停掉,撞沉;追捕,追获,追查出 | run dry干涸 | run for竞选

2. 流干,被耗尽：like a dream轻而易举地,完美地 | run dry流干,被耗尽 | give sb. his due公道地对待,给某人应有的评价

3. 变干：run derrick 竖井架 | run dry 变干 | run gravel 冲积砾石

verb

1. become empty of water

    e.g. The river runs dry in the summer

    Synonym: dry out