The move from elementary school to middle school or junior high can be difficult.

从小学进入中学或者初中的这种变动可能会有困难。

《柯林斯英汉双解大词典》

It would be wrong to suggest that Rome was somehow a junior partner in Greco-Roman civilization.

认为罗马是希腊-罗马文明的晚辈这种观念是错误的。

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If you want to be a Junior Ranger, you need to learn about the natural and cultural history, and make a promise to be a national park protector.

如果你想成为一名初级护林员，你需要了解自然和文化历史，并承诺成为一名国家公园保护者。

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The oldest son, Joseph Kennedy Junior,was expected to be the first to do so.

VOA: special.2009.09.13

They agree to be junior partners of absolute rule and they weren't the only ones.

贵族们同意支持绝对主义以分得利益,但他们也不是绝对主义唯一的支持者

耶鲁公开课 - 欧洲文明课程节选

We agree to be junior partners in absolute rule in exchange for recognizing your supreme authority over us in exchange for the protection that you will afford us."

我们愿意臣服在您的绝对权威之下,我们将视您为无上的权力,作为交换你必须向我们提供保护"

耶鲁公开课 - 欧洲文明课程节选

It would be unusual for a junior minister to be promoted to cabinet rank without a spell at minister of state level but these are unusual times.

BBC: MPs and "armchair reshufflers" ponder cabinet changes

First, that said to be organised by relatively junior staff, to boost the bank's profits (and their own bonuses).

BBC: The strange silence and an absence of information

If funding is successful, you'll be able to wave hello to Edison Junior's DoorBot -- an app-enabled, WiFi-connected video doorbell.

ENGADGET: DoorBot lets you see and talk with who's at the door from the comfort of your smartphone (video)