The security forces had to intervene to prevent the situation worsening.安全部队不得不介入，以防止局势进一步恶化。When riot broke out, the police were obliged to intervene.发生暴乱时, 警察有责任干预.If there were a breakdown of law and order, the army m...
两座房子相距500米。The two houses stood 500 metres apart.圣诞节与元旦之间相距一周.A week intervenes between Xmas and New Year's Day.我们在相距200码处就看到他们.We spotted them at a distance of two hundred yards....