"With the first subject, after about 20 hours of training, his digit span had risen from 7 to 20," Ericsson recalls.

“对于第一个实验对象，经过大约20小时的训练，他的数字跨度从7上升到20。”爱立信回忆道。

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The researchers' first subject was the tobacco plant.

研究人员第一个研究对象是烟草。

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Sussman's first subject was the Jomon Sugi, a Cryptomeria tree on Yakushima Island, Japan.

苏斯曼的第一个拍摄对象是绳文杉——一种生长在日本屋久岛的柳杉。

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She says that this is the first building she has worked on that is related to the subject of China.

VOA: special.2009.05.06

Now the subject matter that he's chosen for this poem, for this so-called first poem, couldn't possibly be more appropriate.

现在他选这首诗的主题很重要，这所谓第一首诗可能不太恰当。

耶鲁公开课 - 弥尔顿课程节选

With this first poem treating the subject of the nativity of Christ, Milton is able implicitly to announce something like his own nativity as a poet.

因为它的主题是基督诞生，弥尔顿能够含蓄的宣告一些东西,比如他作为一个诗人从此诞生了。

耶鲁公开课 - 弥尔顿课程节选

He came across his first subject for a TV show after meeting the Kardashians socially.

WSJ: Ryan Seacrest's Empire: Can an Idol Be a Mogul?

The first subject Skilling took on was his sudden and unexpected departure in August of 2001, four months before Enron went bankrupt.

NPR: Skilling Takes Stand, Proclaims Innocence at Enron Trial

Ms. Child's cooking show "The French Chef" debuted in 1963 with boeuf bourguignon as its first subject, catapulting both Ms. Child and the stew into the spotlight.

WSJ: Where's the Best Boeuf?