Concrete walls typically feature a tall wall on a horizontal foundation, resembling an upside-down "t".

混凝土墙，典型的特征是横向的基础一高的围墙，类似于一个倒“T”型。

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Remember that this molecule, let's look at the blue one wouldn't be the same if I turned it upside down.

让我们记住,如果我把蓝色的,单链倒过来,那么这条链和原来不一样了

耶鲁公开课 - 生物医学工程探索课程节选

It wouldn't be the same if I turned it upside down because the carbons - the rings here, the pentose's would all be turned over, the chemistry would look different and the sequence of bases would look different.

记住单链倒过来,就和原来不一样了,这是因为碳原子和糖环结构,戊糖会翻转,使得这个化学结构看起来不一样了,碱基的顺序也不一样了

耶鲁公开课 - 生物医学工程探索课程节选

Unless you take the things that you don't like about this world and you flip them upside down and you can start that today.

除非你把在这世上讨厌的事物,翻转过来，你们可以从今天开始。

哈佛公开课 - 幸福课课程节选

And if there's anyone out there who still doesn't believe this constitutes a full-blown crisis, I suggest speaking to one of the millions of Americans whose lives have been turned upside down because they don't know where their next paycheck is coming from.

WHITEHOUSE: Presidential Press Conference

While docking the phone into or pulling it out of the PadFone Station is hardly a challenge, there's some sort of magic that keeps the phone tucked into the bay no matter how hard our pals shook the tablet upside down (please don't try this at home) -- the geared rubber grip along the two sides of the bay are somehow responsible for this.

ENGADGET: ASUS PadFone 2 hands-on in Taipei (updated with video)

As I watched Topher Grace and Dennis Quaid "standing on their heads" I couldn't help but draw some comparisons to Microsoft's upside-down WMV strategy.

ENGADGET: The Clicker: Dear Microsoft, "help me help you."