What do sharks feed on, mainly fish and other small sea animals?

鲨鱼以什么为食，主要是鱼类和其他小型海洋动物？

youdao

The Dee estuary: a small sea (in Irish sea) where the Dee River enters.

迪河河口：是迪河流入的一个小海。

youdao

To harvest oil and gas profitably from the North Sea, we must focus on the exploitation of small reserves as the big wells run dry.

由于大油井的枯竭，要想从北海有利地获取石油和天然气，我们必须集中精力于小储量油井的开采。

《柯林斯英汉双解大词典》

In the movie he travels around the world documenting the genetic information of small sea creatures.

VOA: special.2009.03.25

And the strong man, still holding the small child, drifted away on the shadowy river that flows forever to the unknown sea.

VOA: special.2009.06.06

But the sea was so rough that the small boats could not be used.

VOA: special.2009.08.13

People don't easily understand how a small sea level rise can result in bigger storm surges and coastal damage, or how slight changes in ocean temperatures can change global rainfall patterns, leading to droughts and floods with catastrophic economic and societal consequences.

CNN: What if carbon dioxide were as black as oil?

Since last summer, Japan has been embroiled in a rancorous dispute with China over a group of small East China Sea islands.

WSJ: Japanese Politicians' Visit to Shrine Sparks Backlash

Since last summer, Japan has been embroiled in a bitter dispute with China over a group of small East China Sea islands.

WSJ: Abe Aides' War Shrine Visit Sparks Backlash