They need 12 votes to override his veto.

他们需要12票来推翻他的否决。

The veto was a calculated political risk.

此次否决是一次精心策划的政治冒险。

a presidential veto of legislation.

总统对立法的否决权。

the president's power of veto.

总统的否决权。

The president vetoed the economic package passed by Congress.

总统否决了国会通过的一揽子经济计划。

the power to veto a bill absolutely.

完全否决提案的权力。