一段时间

The invention adopts surfactant of amphipathic block copolymer as structure-directing agent to be dissolved in alcohol solvent, and niobium sources and aqueous solution of inorganic salts are added as structural promoter to be stirred for a certain period of time in the room temperature to form colloid; the colloid is then heated and volatilized under low temperature to remove the solvent and dried and calcined under high temperature to obtain the mesoporous columbium oxide.

本发明将双亲性嵌段高分子表面活性剂作为结构导向剂溶解于醇类溶剂中，加入铌源和无机盐类水溶液作为结构促进剂，在室温下搅拌一段时间后形成胶体，低温下加热挥发除去溶剂，经干燥、高温焙烧而成。

By developing and disseminating scorecards over a period of time the leaders and residents of a region can assess progress in their drainage basin over a period of time.

通过在一段时间内完善和散发记分卡，一个地区的官员和民众可以对这段时期内流域的环境变化情况进行评估。

Ihave used this Mint Julep Masque for a good while now. The best thing about it is that if you

这段话的大意是：我用了这个产品一段时间了，如果你的黑头很严重的话，它能真正的把你

Have used this Mint Julep Masque for a good while now. The best thing about it is that if you have severe blackheads it will really clear them up; I am speaking from experience. My entire forehead, jaw line and nose had blackheads, and it cleared them up. My sister saw my results and got it too.

这段话的大意是：我用了这个产品一段时间了，如果你的黑头很严重的话，它能真正的把你的黑头完全去掉；我说的是我的经验之谈，我的整个额头，下巴和鼻子都有黑头，它可以把它们完全去掉了，我的姐姐看我使用后的效果这样好，她也买了。

I h**e used this Mint Julep Masque for a good while now. The best thing about it is that if you h**e severe blackheads it will really clear them up; I am speaking from experience. My entire forehead, jaw line and nose had blackheads, and it cleared them up. My sister saw my results and got it too.

这段话的大意是：我用了这个产品一段时间了，如果你的黑头很严重的话，它能真正的把你的黑头完全去掉；我说的是我的经验之谈，我的整个额头，下巴和鼻子都有黑头，它可以把它们完全去掉了，我的姐姐看我使用后的效果这样好，她也买了。

Computerized babies cry, burp at Mexican teensMEXICO CITY - High school students in the Mexican state of Chihuahua are being made to care for screaming, hiccuping baby dolls that run on computer chips to try to bring down the state's soaring teenage pregnancy rate.

奇瓦瓦州位于墨西哥北方地区，最近一段时间以来，当地的中学生们开始了一种听上去令人颇感诧异的课外活动，他们会抽出时间专门去照顾一些由电脑芯片控制的，既会尖叫又能打嗝儿的洋娃娃，而有关方面之所以推出此举，主要还是想通过这种方式来遏制该州不满二十岁的青少年节节攀升的未婚先孕现象。

For the first time in a long time, I had a new set of sprockets and chain at the same time.

首次在很长一段时间，我有一个新的一套链轮和链条在同一时间。

Jump for the most common eyelid orbicularis oculi muscle of the "little muscle vibration syndrome", each jump a few seconds to several minutes; normal circumstances as long as a period of time after the automatic recovery, but also close your eyes a rest look, or deposited his eyes with hot towel, as well as with a balanced diet and adequate sleep, to shorten the eyelid beating time.

跳为最常见的眼睑眼轮匝肌的&小肌肉振动综合症&的肌肉，每几秒钟到几分钟的时间，如在一段时间内维持正常情况下，自动恢复后跳，也闭上你的眼睛休息一下看看，或用热毛巾存入他的眼睛，以及均衡饮食和充足的睡眠，以缩短眼皮跳动的时间。

I have wasted my time and my life in the net for a long time.

ka wing 11.08.2002 我浪费了我的时间和生活在这个网络上已经很长一段时间，现在应该是我醒觉回到现实生活中去的时候了，因为我没那么多的时间再去浪费了。

I have wasted my time and my life in the net for a long time. Now it is time to wake up and go back to my real life. For my own good, I have to change because there is no more time to waste.

我浪费了我的时间和生活在这个网络上已经很长一段时间，现在应该是我醒觉回到现实生活中去的时候了，因为我没那么多的时间再去浪费了。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。