as the crow flies

副词 adv.
中文释义

英文释义

副词 adv.
  1. In a straight line distance between two locations, as opposed to the road distance or over land distance. idiomatic,not-comparable
    — It is 15 kilometers as the crow flies.

词源

From the fact that while crows fly to their source of food, their flight bypasses obstacles like rivers and terrain. Compare beeline.
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