to turn upside-down; to invert.

listen to the pronunciation of to turn upside-down; to invert.
Английский Язык - Английский Язык

Определение to turn upside-down; to invert. в Английский Язык Английский Язык словарь

To turn upside-down; to invert.
turn on its head

The crisis turned on their head the formulas that had seemed to work.

to turn upside-down; to invert.
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