kept to短语¹⁴⁵⁴⁸ 基本例句 v.坚持保持;遵守;履行 Mr Ishimaru speaks to his correspondents by mobile phone daily, although detector vans that roam the streets of Pyongyang and the border areas mean their conversations are kept to a minimum. Ishimaru每天和他的合作者通手机，尽管每天都监测平壤大街上的货车和边境地区，让他们的谈话保持在最少。 yeeyan