yán jiū rén yuán / zài / hǎi miàn / shàng / guān chá dào / yì tóu / tuó bèi jīng / yuè chū / shuǐ miàn

研究人员在海面上观察到一头驼背鲸跃出水面。

The researchers saw a humpback whale leap out of the water.