rincorsa angolul

impulse [impulses]▼(sudden force that impels)
noun
[UK: ˈɪm.pʌls] [US: ˈɪm.pʌls]

run-up [run-ups]▼(the approach run of a high jumper or other athlete in order to gather speed or momentum)
noun
[UK: ˈrʌn ʌp] [US: ˈrʌn ʌp]