BBC在线收听下载:特朗普称联合国必须强力制裁朝鲜

短语讲解：

1.President Trump has said the United Nations Security Council must be prepared to impose tough sanctions on North Korea in response to its missile and nuclear programmes.

in response to 对…做出反应
例句：The meeting was called in response to a request from Venezuela.
应委内瑞拉的要求召开了这次会议。

2.Demonstrations across Venezuela calling for the removal of President Nicolas Maduro have entered a fourth week.

call for 要求; 需要
例句：Different circumstances call for different tactics.
不同的情势需要不同的策略。