1.federal holiday 联邦假日
例句:Memorial Day was declared a federal holiday in1971.
阵亡将士纪念日被宣布为联邦节日于1971年 。
2.made up of 由…组成
例句:Speech is made up of sound waves that vary in frequency and intensity.
语音是由不同频率和强度的声波组成的 。
3.take place 发生
例句:A total solar eclipse is due to take place some time tomorrow.
明天某个时刻会发生日全食 。
4.all around the world 全世界
例句:There were television crews and pressmen from all around the world.
来自世界各地的电视工作者和新闻记者齐聚一堂 。