He sent his son to join the army as soon as he reached eighteen.

他儿子一满18岁，他就送他参军了。

《新英汉大辞典》

He was unable to come to the ceremony, but he sent his son to accept the award in his place.

他不能亲自来参加仪式，但派了他儿子前来代他领奖。

《牛津词典》

I sent my other son to the country to stay with kinfolk.

我把另一个儿子送到乡下和亲戚住在一起。

《柯林斯英汉双解大词典》

Secretary of State Webster sent his son Fletcher on horseback to tell Tyler of the president's death.

VOA: special.2009.01.29

Determined that her son would not work on the land, Burns' mother sent her son to the Ayrshire village of Kirkoswald.

BBC: Robert Burns honoured for work as land surveyor

He sent his son to investigate the Preece property, a 5, 000-hectare coalfield in Kentucky.

FORBES: Magazine Article

He sent his son to investigate the Preece property, a 12, 500-acre coalfield in Kentucky.

FORBES: Fuel's Paradise