US President Donald Trump has said there is a "very substantial chance" a historic summit with North Korea’s Kim Jong-un next month may not happen.
美国总统唐纳德·特朗普已经表示，他与朝鲜领导人金正恩的历史性峰会极有可能不会在下月举行。
He said the North must meet conditions for the summit to go ahead though if it did not, it might happen "later".
他表示，要想举行峰会，朝鲜必须满足条件。不然就延迟。
Mr Trump was speaking as he received South Korea’s President Moon Jae-in at the White House.
特朗普是在白宫接待韩国总统文在寅时发表了这一言论。
The North has said it may cancel the summit if the US insists on it giving up nuclear weapons unilaterally.
朝鲜已经表态，如果美国执意要朝鲜单方面地放弃核武器，那么它可能取消峰会。
Mr Trump did not say what conditions the US had set for the summit but, asked by a reporter about the North’s arsenal, he said "denuclearisation must take place".
特朗普并未透露美国为峰会设定的条件，但是在被一名记者问及朝鲜的兵工厂时，他表示：“必须无核化”。
The 12 June summit is due to take place in Singapore. It follows a historic meeting between the two Korean leaders in April.
6月12日的峰会计划在新加坡举行。此前，朝韩领导人于四月举行了一次历史性会晤。
