She put the baby up for adoption.

她提出要让人收养那个婴儿。

《牛津词典》

I didn't even know that my mother gave up a baby for adoption in 1963.

我甚至不知道我妈妈曾经在1963年将一个孩子送给别人抚养。

youdao

If the owner doesn't claim the dog in 48 hours, you can apply for adoption.

如果狗的主人在48小时内没有认领，你就可以申请收养了。

youdao

The Washington Animal Rescue League does not charge the usual adoption fees for the vets.

VOA: special.2009.12.11

With the adoption of the Convention, she notes the international community unanimously recognized for the first time in history that children are not simply the property of their parents or guardians, but are in charge of their own destiny.

VOA: standard.2009.10.08

If that is the case, they will probably put the pets up for adoption soon.

CNN: Stranded pets now being rescued

Chuck Johnson, president of the National Council for Adoption, a nonprofit group in Alexandria, Va.

WSJ: This North Dakota Mom, 77, Reared 69 Kids

Was she simply given up for adoption or was she one of Spain's stolen babies?

CNN: Stolen babies scandal haunts Spain