4 sentences

1. 什么是双层彩虹？

   shén​me shì shuāng​céng cǎi​hóng?

   What is a double rainbow?

   Source: CCMatrix

2. 你还没有吃完你的双层巧克力软糖香蕉船圣代呢！

   nǐ hái méi​yǒu chī wán nǐ de shuāng​céng qiǎo​kè​lì ruǎn​táng xiāng​jiāo chuán shèng​dài ne!

   You haven't finished your double chocolate fudge banana split sundae yet!

   Source: UM-Corpus: Education

3. 香港的巴士大多都是双层巴士。

   xiāng​gǎng de bā​shì dà​duō dōu shì shuāng​céng​bā​shì.

   Most public buses in Hong Kong are double-decked.

   Source: CCMatrix

4. 伦敦不是唯一一个有双层公共汽车的城市。

   lún​dūn bù​shì wéi​yī yī​ge yǒu shuāng​céng​gōng​gòng​qì​chē de chéng​shì.

   London isn’t the only city with double-decker buses.

   Source: CCMatrix