双重保险：dual的用法讲解

In your eye, is a nidering juggling a veteran, he go with the flow in the fate of ups and downs, plays a dual role of victims and perpetrators.

——

在你眼帘中的，是一位低贱的杂耍老手，他在命运的沉浮中随波逐流，扮演着受害与加害者的双重角色。

——《v字仇杀队》

一、下面我们来看看dual有几种含义

adj.

双的；双重的

This dual-purpose motorcycle can go without gasoline.

这辆两用摩托车没有汽油也能行走。

n.

双数；双数词

And Kwaio has not just singular and plural but dual and paucal too.

瓜依沃语中不光有单数和复数，还有双数和若干的概念。

二、含有dual的常见短语

dual carriageway

双线车道

三、接下来，做个填词游戏吧

The piece of furniture serves a _____ purpose as a cupboard and as a table.
这件家具有两个用途,既作食橱也作饭桌。