Periods when diseases spread around the world are called pandemics.疾病在全世界范围内传播时期称为大流行.Since then, there have been a total of eight cholera pandemics.从那时开始, 霍乱大流行总共爆发过8次.Previous pandemics have been characterized by waves...
仔细想一想然后再回答.Think carefully before you answer.总统拒绝就这个话题再回答问题。The President refused to answer further questions on the subject.先好好想想再回答, 因为你一决定,就木已成舟了.Think before you answer, for It'shall be done as you decide....
舞蹈节目分别由罗伯特·奥尔顿和年轻的乔治·巴兰钦负责。Responsibility for the dance numbers was split between Robert Alton and the young George Balanchine.巴兰钦为斯特拉文斯基的音乐设计了许多舞蹈动作.Balanchine choreographed many pieces to Stravinsky's music....
The average and median durations of unemployment also fell.平均失业期及普遍失业期也减短了.The previous three steps incorporate the level switches to determine the durations.以前的三个步骤结合水平开关确定时期.Different note or durations are an essential...