the ups and downs

• But the changing fortunes of nuclear power have accentuated the ups and downs for uranium
  然而，核大国的命运变化突出了铀的起伏。
• The ups and downs of the rival parties furnished subjects for two excellent cartoons
  两党的盛衰起落给两部优秀的卡通片提供了素材。
• The up and down of modernization theory from the perspective of japanese economic development
  从日本经济发展角度看现代化理论的兴衰
• The favorite activity is the seesaw , the ups and downs especially fun for them
  孩子们最喜欢的是跷跷板，一上一下让他们感到特别开心。
• The up and down arrow keys are used to scroll through the list of previous lines
  上箭头键和下箭头键用来翻阅前面输入的行的内容列表。
• Don ' t put the hand between the up and down mould in order not to be pressed or scaled
  使用过程中不得把手伸入上下模之间，以免压伤或烫伤。
• The main blades pitch angle is controlled by the up and down movements of the swashplate
  大桨的螺距角度是由倾斜盘的上升和下降动作控制的。
• I feel lucky to have parents that stay together through the ups and downs . congratulations
  我感到幸运，有父母双亲相伴，度过起伏人生。恭喜。
• I overlooking them that young body , in which the ups and downs of life on the ups and downs
  我俯视着他们那幼小的身体，生命就在其中起落沉浮。