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单词 sound barrier
释义
Sound Barrier
nnoun.phenomenonthe increase in aerodynamic drag as an airplane approaches the speed of sound
Synset:sonic barrier
Hypernyms:drag retarding force
Inherited Hypernyms:sonic barrierdragresistancemechanical phenomenonphysical phenomenonnatural phenomenonphenomenonprocessphysical entityentity
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更新时间:2025/2/3 9:29:06