common, ordinary, commonplace, general, usual, popular, universal

名詞 universal:

1. (linguistics) a grammatical rule (or other linguistic feature) that is found in all languages
   同義詞：linguistic universal
2. (logic) a proposition that asserts something of all members of a class
   同義詞：universal proposition
3. a behavioral convention or pattern characteristic of all members of a particular culture or of all human beings
4. coupling that connects two rotating shafts allowing freedom of movement in all directions
   同義詞：universal joint

形容詞 universal:

1. of worldwide scope or applicability
   同義詞：cosmopolitan, ecumenical, oecumenical, general, worldwide, world-wide
2. applicable to or common to all members of a group or set
3. adapted to various purposes, sizes, forms, operations

1. Music has been called the universal language.
   人們稱音樂為世界的語言。
2. His courage compels universal admiration.
   他的勇氣不禁令人肅然起敬。
3. English is referred to as a universal language.
   英文被稱為世界語言。
4. When was universal suffrage introduced in your country?
   貴國是什么時候實行普選權的？
5. The condition of being universal; universality.
   普遍特征作為普遍的條件; 普遍性
6. Overpopulation is a universal problem.
   人口過多是全球性的問題。
7. Television provides universal entertainment.
   電視提供大眾化的娛樂。