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builds the plane while flying it

Verb CEFR C2

Definitions

third-person singular simple present indicative of build the plane while flying it

form-of, indicative, present, singular, third-person

CEFR level

C2
Mastery
This word is part of the CEFR C2 vocabulary — mastery level.
See all C2 English words →

See also

builds up builds upon built built a better mousetrap built a case built air castles

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