Upright and united stood the country 2016-11-02 | 分类：英语常识 | 浏览:1999After they had observed three minutes of silence to pay their tribute to compatr
美国习惯用语-第40期:My heart stood still 2016-03-23 | 分类：英语常识 | 浏览:1999美国习惯用语-第40讲:My heart stood stillheart-to-heart talk 从科学的角度来看，人的心就是人体内输送血液的重要部份。但
