3 sentences

1. 一条鲸鱼浮出水面。

   yī tiáo jīng​yú fú​chū​shuǐ​miàn.

   A whale surfaced.

   Source: AI Challenger 2017

2. 海蛇没有鳃，必须经常浮出水面呼吸。

   hǎi​shé méi​yǒu sāi, bì​xū jīng​cháng fú​chū​shuǐ​miàn hū​xī.

   Sea snakes do not have gills and must surface regularly to breathe.

   Source: CCMatrix

3. 真相慢慢浮出水面。

   zhēn​xiàng màn​màn fú​chū​shuǐ​miàn.

   The truth is slowly coming to the surface.

   Source: CCMatrix