Two children drowned after falling into the river.

两个孩子掉进河里淹死了。

《牛津词典》

Last night a boy was drowned in the river.

昨晚一名男孩在那条河里溺水身亡。

《柯林斯英汉双解大词典》

Yesterday one of my friends was drowned in this river.

昨天我的一位朋友就在这河淹死了。

youdao

In nineteen thirteen, Isadora's two children, Deirdre and Patrick, along with their nurse, were drowned in the Seine River in Paris.

VOA: special.2010.08.29

There are also reports that many people may have drowned in a river as they fled the attacks.

BBC: Jonglei clashes: South Sudan declares a disaster

Three Albanian boys then drowned in the River Ibar, which divides the northern town of Mitrovica into an Albanian south and a Serbian north.

ECONOMIST: Tensions boil over again in the troubled Serbian province

Among the cases documented is one involving a dementia patient who went missing from a hospital and was found drowned in a nearby river.

BBC: Action urged over 'appalling' NHS care