从2009年的伦敦会议，到当下的北京会议，五年时间，五个核武器国家，轮流举办了五次会议，“五”似乎成了我们的幸运数字。

From London back in 2009 to Beijing today, five years have passed. Five nuclear-weapon states have taken turns to host five conferences. "five" seems to have become a lucky number for us.

youdao

从2009年的伦敦会议，到当下的北京会议，五年时间，五个核武器国家，轮流举办了五次会议，“五”似乎成了我们的幸运数字。

From London back in 2009 to Beijing today, five years have passed. Five nuclear-weapon states have taken turns to host five conferences. "five" seems to have become a lucky number for us.

youdao