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The following video provides you with the correct English pronunciation of the word "lengthening", to help you become a better English speaker.

ALLUNGANDO. ALLUNGANDOSI. PROLUNGANDO. PROLUNGANDOSI

[.v]: طويل شدن ، دراز کردن ، طولانى کردن ، کشيدن ، دراز شدن ، تطويل
{علوم مهندسى}: کش امدن

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lengthening
adj : increasing in length; "the lengthening days of february" n : the act of prolonging something; "there was an indefinite prolongation of the peace talks" [syn: prolongation, protraction, perpetuation]

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(p. pr. & vb. n.)
of Lengthen