And China's relationship, famously “as close as lips and teeth”, with North Korea spawned a mouth ulcer last October when North Korea let off a nuclear weapon.
And China's relationship, famously “as close as lips and teeth”, with North Korea spawned a mouth ulcer last October when North Korea let off a nuclear weapon.
中国同北韩的关系，是著名的“唇齿相依”的关系，但去年十月北韩试验核武器时，这种关系发了“口腔溃疡”。