universal amplifier

例句：

1. 1. The universal truth is that we must work together for a common goal.
   普遍真理是我们必须为了共同目标一起工作。
2. 2.The universal language of love is kindness.
   爱的通用语言是善良。
3. 3. The universal law of gravity states that every object in the universe attracts every other object with a force equal to its mass times its acceleration due to gravity.
   万有引力定律表明，宇宙中每一个物体都以与其质量成正比的力吸引其他所有物体。