The photo, taken by Germany?s TerraSAR-X satellite, shows the space station from above as an incomplete space outpost.

该照片由德国遥感卫星TerraSAR-X所拍，照片上显示的空间站还是尙未建造完成的太空站。

youdao

Syringa x hyacinthiflora is a cross between Syringa oblata and S. vulgaris.

紫丁香是扁形紫丁香和普通紫丁香的杂交品种。

youdao

"Look at this," he said, pointing to the faint "X" s. "All of them identical."

“看看这个，”他说，指着一个模糊的十字“它们都一样。”

youdao

"One of the really frustrating things for patients with fibromyalgia is that there's nothing to measure in labs or in X-rays.

VOA: special.2011.08.02

px So we're talking about pi carbon 2 p x, 2px because it's the x axes combining to carbon 2 p x.

我们讨论的是π碳，因为它在x轴结合成碳。

麻省理工公开课 - 化学原理课程节选

X So now if we actually introduce the variable X, welcome X. Let's do this again.

现在如果我们引进一个变量，欢迎你，X，让我们再做一次。

哈佛公开课 - 计算机科学课程节选

Similarly, while Apple's OS X's user interface is not just easy to use but engaging, it's just a candy shell built around the kind of tried-and-true Unix software that's powered everything from phone networks to computer science labs for a generation.

FORBES: Apple's Greatest Innovations

The two phones are about equally thick, too, but the Atrix's edges are squared where the One X's are tapered and curved inward.

ENGADGET: Motorola Atrix HD review Mobile

They were followed by two more new entries, Will Young's Switch It On in at number five and Liberty X's A Night to Remember in at six.

BBC: NEWS | Entertainment | Madonna in chart double success