con·tra·flow/ˈkɒntrəfləʊ; NAmEˈkɑːntrəfloʊ/noun( BrE) a system that is used when one half of a large road is closed for repairs, and the traffic going in both directions has to use the other half (道路一侧关闭维修时实行的)一侧双向行驶◆A contraflow system is in operation on this section of the motorway.这段高速公路的一侧正在实行双向行驶。contraflowcontraflowscon·tra·flow/ˈkɒntrəfləʊ; NAmEˈkɑːntrəfloʊ/
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