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holding pattern ['həuldɪŋ'pætn]
avia. 等待航线
 English thesaurus
holding pattern ['həuldɪŋ'pætn]
avia., Canada A predetermined racetrack pattern flown as part of a holding procedure; A predetermined manoeuvre that keeps an aircraft within a specified airspace while it awaits further clearance
holding pattern: 6 phrases in 2 subjects
Aviation5
Economy1