亲生子女

私生子女

非婚生子，婚前生子

非婚生子女

natural children───私生子女

natural cycle───自然循环；自然环境

natural world───自然界；物质世界

natural childbirth───n.自然分娩；不用药物的分娩

feral child───野孩

natural food───n.天然食品

natural gift───天赋才能

neural chip───神经芯片

neural chips───神经芯片

What could be more natural than worrying that your child might be trampled by the great, scary, globally competitive world into which she will one day be launched?───这个巨大、可怕、全球化竞争激烈的世界，你的孩子总有一天要涉入，你担心她会被它践踏，这也是再自然不过的事情。

Exaggeration and divergence may be the natural order of things, but declaring in print that one child is vanilla and the other is chocolate is still a bad idea.───夸大化和相异化或许是事物的自然排序，但是宣称一个孩子是香草，另一个孩子是巧克力的说法却不是很好。

Video footage emerged purporting to show a rebel attack on a compound said to belong to Ayesha, Gaddafi's youngest natural child, but this could not be confirmed.───视频片段显示袭击发生在一片有传闻说属于卡扎菲最年轻的孩子艾莎的庭院内，但是这则消息也没有被证实。

woman , she ' s not even samson ' s natural child───她根本就不是萨姆森亲生的孩子

Blood tests revealed that she was not the Twiggs' natural child.