C2 noun #67,756 最常用

a flap on the underside of the wing that is lowered to slow the plane for landing

landing flap 30秒了解

  • (noun) a flap on the underside of the wing that is lowered to slow the plane for landing

Meanings

  1. 1
    noun a flap on the underside of the wing that is lowered to slow the plane for landing
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