1 sentence

1. 常任理事国在表决重大国际事务时拥有一票否决权。

   cháng​rèn lǐ​shì​guó zài biǎo​jué zhòng​dà guó​jì shì​wù shí yōng​yǒu yī​piào​fǒu​jué​quán.

   Permanent members have veto power when voting on major international affairs.

   Source: Dong Chinese Dictionary