| 单词 | sonic booms |
| 释义 | sonic /sonˈik/adjective
ORIGIN: L sonus sound sonˈics singular noun The study of the technological application of sounds, esp supersonic waves sonic bang or sonic boom noun (aeronautics) A loud double report caused by shock waves projected outward and backward from the leading and trailing edges of an aircraft as it reaches supersonic speed sonic barrier noun The sound barrier sonic mine noun An acoustic mine |
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