universal tank

例句：

1. 1. The universal truth is that every child deserves to be loved.
   普遍真理是，每个孩子都值得被爱。
2. 2.The universal language of love is kindness.
   爱的通用语言是善良。
3. 3. The universal law of gravitation states that every object in space attracts every other object with the same mass.
   万有引力定律表明，空间中任何两个质量相同的物体都会相互吸引。