2 sentences

1. 肥皂泡为何是彩色的？

   féi​zào​pào wèi​hé shì cǎi​sè de?

   Why are soap bubbles colored?

   Source: CCMatrix

2. 肥皂泡摄影最重要的方面是光源而不是照相机。

   féi​zào​pào shè​yǐng zuì zhòng​yào de fāng​miàn shì guāng​yuán ér bù​shì zhào​xiàng​jī.

   The most important aspect of soap bubble photography is the light source rather than a camera.

   Source: CCMatrix