universal coal cutter

例句：

1. 1. The universaltruth is that everyone has a different perspective.
   普遍真理是，每个人都有不同的观点。
2. 2. Thisuniversal law applies to all species of plantsand animals.
   这个普遍法则适用于所有植物和动物。
3. 3. The universal language is English,which is spoken by billions of peopleworldwide.
   通用语言是英语，全球有数十亿人使用。