duo-, 二。-poly, 卖，词源同monopoly, oligopoly.

1. They are no longer part of a duopoly on overseas routes.

他们不再是垄断海外航线的两强之一。

来自柯林斯例句

2. Their smaller rival is battling to end their duopoly.

规模更小的竞争对手正为结束他们的两强垄断局面而抗争着。

来自柯林斯例句

3. Which of the following best describes duopoly? ( 2 marks )

以下哪一项最好地描述了双头垄断? ( 2分 )

来自互联网

4. A duopoly is an oligopoly with only two members.

双头是只有两个卖者的寡头.

来自互联网

5. Which of the following best describes duopoly?

以下哪一项最好地描述了双头垄断?

来自互联网

[ duopoly 造句 ]