This is the first demonstration that we can choose what words the children will learn and that they can respond to them with an unfamiliar voice giving instructions in an unfamiliar setting.

这是第一个演示，我们可以选择孩子将学习什么单词，而孩子可以用陌生的声音在陌生的环境下给出指令回应单词。

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We got lost in this unfamiliar city.

在这个陌生的城市里我们迷路了。

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To find out how we make sense of unfamiliar inflections, psychologists spoke to volunteers in an accent they'd invented.

为了弄明白我们怎样搞定不熟悉的变音，心理学家们用他们自己捏造的发音对志愿者说话。

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Now let's try moving to unfamiliar territory and extending what we know.

现在我们尝试讨论一个,不熟悉的领域同时扩展我们所知道的。

麻省理工公开课 - 热力学与动力学课程节选

Because we obviously can't, in any course, or even any set of courses, tell you everything you'll ever want to know in life we've seeded some things in this program that will be unfamiliar, so during the time you're studying the program, get online, look it up, figure out what they do.

因为在任何一门课上或者几门课上，我们都不可能告诉你，所有你想知道的事情,我们在这个程序中,加上了一些你们不熟悉的东西，所以在你们研究这个程序的时候，你们可以上网找资料，弄懂它是干什么的。

麻省理工公开课 - 计算机科学及编程导论课程节选

Parking became another issue since we were unfamiliar with the airport.

FORBES: Taking Rides from Strangers, Or How A Possible Marriage Proposal Can Make A Sane Person Crazy

While this means that the office of the future will look unfamiliar to that which we see today, its origins are clear, and its goals remain steadfast for more than 300 years.

FORBES: Autonomics Will Change The Future Of Office Work (Ask Siri)

We bridle if we are asked to sing an old favourite to an unfamiliar tune.

BBC: A Point of View: The joy of Christmas carols