C2 noun #61,701 最常用

A tethered balloon, attached to the ground with a metal cable, intended to deter low-flying enemy aircraft; used especially in World War II.

barrage balloon 30秒了解

  • (noun) A tethered balloon, attached to the ground with a metal cable, intended to deter low-flying enemy aircraft; used especially in World War II.

Meanings

  1. 1
    noun A tethered balloon, attached to the ground with a metal cable, intended to deter low-flying enemy aircraft; used especially in World War II.
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