Not until they had the twins did they feel they had formed a family.

直到有了这对双胞胎他们才感到组成了一个家庭。

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It formed a heart-warming picture: Each family member was enjoying being together.

一幅温暖人心的画面形成了：每个家庭成员都享受聚在一起。

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The researchers said that an analysis of the amber shows that it was formed from the resin of a family of tropical hardwood trees that still exist in south-east Asia.

研究人员称对琥珀的研究证明这个琥珀是现在依然存在于东南亚地区的一类热带硬木树种的树脂形成的。

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Memo 2013-39, a Pennsylvania family formed a number of trusts who in turn owned stock in an S corporation.

FORBES: Tax Court Holds S Corporation Shareholders Liable for $30 Million Tax Deficiency

They are formed by a naturally occurring family of tooth-specific proteins known as amelogenins.

BBC: By BBC News Online Science Editor Dr David Whitehouse

Inspired by what they'd just been through, in October they formed a company called the Family Dog, and on October 15, they rented Longshoreman's Hall and put on a dance with music by the Charlatans, Jefferson Airplane, and a band that lived a couple of doors away from the Charlatans, the Grateful Dead.

NPR: Dylan, the Red Dog and the Real Summer of Love