Definitions

[1] 不间断电源

[2] [计] 不间断电源

[3] [化] 紫外光电子能谱; 紫外光电子能谱学

1. In life there are ups and downs.
   生活中有高低起伏。
2. Children want to act like grown-ups.
   孩子想和大人一样表现。
3. Life is full of ups and downs.
   人生充滿了高低起伏。
4. His life was full of ups and downs.
   他的人生充满了起起落落。
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