dual是大學聯考必考單詞嗎

是大學聯考必考單詞，意思是雙重的，例如：

1、The piece of furniture serves a dual purpose as a cupboard and as a table.這件傢俱有兩個用途，既作櫥櫃也作飯桌。

2、She has dual nationality.她具有雙重國籍。

3、Rob may be entitled to dual nationality.羅布或許能擁有雙重國籍。