Other colours found along the desert's southern fringe stem from the fossilised remains of a prehistoric coniferous forest.

该沙漠以南地区还存在其它颜色，它们来自史前一座针叶树林所遗留下来的化石。

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These diaphragms prevent leakage along the valve stem.

这些横膈膜防止了沿着阀杆的泄漏。

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In addition, chive flowers along the stem can be inserted with the larger mesh Lou Zili, and then hung up the basket.

此外，虾夷葱的花可以连茎一起插在网目较大的篓子里，然后整个篓子吊起来。

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The common or purple foxglove produces pretty flowers along a tall leafy stem called a spike.

VOA: special.2009.08.25

"I think that survey shows that, as minorities and women pursue a STEM career, they have to face a number of barriers along the pipeline (SAYING...) and what we need to do as a society is really understand what these roadblocks are."

VOA: standard.2010.03.26

Along with their partners and mentors, STEM Challenge has planned a ton of events and hands-on workshops designed to teach the basics of game design.

FORBES: Sesame Workshop Wants Your Kid to Design Video Games

You know, even as we enjoy each other's company tonight, we're also mindful of the incredible struggles of our fellow Americans in the Gulf Coast, both those leading the efforts to stem this crisis and those along the coast whose livelihoods are in jeopardy as a result of the spill.

WHITEHOUSE: President Obama and Jay Leno at White House Correspondents Dinner | The White House

The Syrian army has also boosted its presence along the previously unpatrolled Lebanese border, to stem the movement of people and weapons from loosely-policed Lebanon.

ECONOMIST: Syria and Lebanon