I put the sleeping baby down gently.

我把睡着的宝宝轻轻放下。

《牛津词典》

She laid the baby down gently on the bed.

她把婴儿轻轻地放在床上。

《牛津词典》

Can you be quiet—I've just put the baby down.

请安静点—我刚哄小孩睡着了。

《牛津词典》

The risk of having a baby with Down syndrome increases with the mother's age.

VOA: special.2009.09.09

Well, you could put a baby down, have a picture of a dog here, a picture of a cat here, and see which one the baby looks at.

你可以抱来一个婴儿,在这里呈现一张狗的照片,在这里呈现一张猫的照片,然后观察婴儿会看哪一张照片

耶鲁公开课 - 心理学导论课程节选

If Martians came down they wouldn't say, "Oh, cute baby."

如果火星人到地球,他们不会说，可爱的孩子“

耶鲁公开课 - 心理学导论课程节选

The best way to cool a baby down is to remove one or more layers of blankets.

BBC: Babies shouldn't be too hot

"They were carrying the baby down the road there and she looked lifeless or he looked lifeless there, " he said.

WSJ: Toddler Dies in Explosion

They want their piece of the action, just as if you bought that Beanie Baby down at the 7-11 down the block.

FORBES: Malone's Musing