Synset:sound barrier
Hypernyms:drag retarding force
Inherited Hypernyms:sonic barrierdragresistancemechanical phenomenonphysical phenomenonnatural phenomenonphenomenonprocessphysical entityentity
单词 | sonic barrier |
释义 | Sonic Barrier nnoun.phenomenonthe increase in aerodynamic drag as an airplane approaches the speed of sound Synset:sound barrier Hypernyms:drag retarding force Inherited Hypernyms:sonic barrierdragresistancemechanical phenomenonphysical phenomenonnatural phenomenonphenomenonprocessphysical entityentity |
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