| 释义 | subsonically adverb
 uk /sʌbˈsɒn.ɪ.kəl.i/ us /sʌbˈsɑː.nɪ.kəl.i/
 in a way that is slower than the speed of sound:
 The aircraft had to fly subsonically over India and Malaysia.
 This effect occurs whether the cold front is moving subsonically or supersonically.
 With the end of supersonic flight, new generations of air travellers now have to travel subsonically.
 The craft would take off subsonically with full fuel tanks.
 As supersonic flight is banned over the US, the plane will fly subsonically when it is over land.
 SMART Vocabulary: related words and phrases
 Air travel: travelling by aircraft
 aboard
 aeronaut
 air bridge
 air corridor
 air rage
 air taxi
 bird strike
 business class
 coach
 crash-land
 hop
 jet
 jet-lagged
 landfall
 medevac
 non-flying
 post-landing
 reclaim
 scramble
 unflyable
 
 You can also find related words, phrases, and synonyms in the topics: Slow and moving slowly
 
 Related word
 subsonic
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