It would take many decades to build up the level of education and sophistication required.

要花好几十年的时间来逐步达到所需要的教育和发展水平。

《柯林斯英汉双解大词典》

Liz sank down until the water came up to her chin and the bubbles were at eye level.

莉兹下沉直到水漫到她的下巴，泡沫到了她眼睛的高度。

《柯林斯英汉双解大词典》

But now high-level delegations will reopen talks that broke up earlier this year.

但现在高层代表团将恢复今年早些时候中断的对话。

《柯林斯英汉双解大词典》

"What I have seen is a lot of kids really take off because they do have the one-on-one attention and they are up to grade level, if not beyond,as a result of having been in the program."

VOA: special.2010.07.16

That rate of rise is steeper so they--antibody levels go up more rapidly and they reach a higher level.

同时,上升速度也更加迅速,以达到更高的浓度水平

耶鲁公开课 - 生物医学工程探索课程节选

So people change-- up or down in their level of happiness is a result of their experiences.

人们的快乐水平会上下变化,这是他们的经验之谈。

哈佛公开课 - 幸福课课程节选

Voluntary work and an extended essay could be part of a shake-up for A-level students in England, reports suggest.

BBC: A-level students facing shake-up

In addition, Delta has been opening up lowest-level Saver awards close to departure for flights that aren't selling well, Mr. Robertson said.

WSJ: For Frequent Fliers, a Ranking of the Stingiest Airlines

In Congress, Mr Scowcroft's secret trips to Beijing produced an uproar, making it impossible for the Bush administration to keep up high-level contacts with the Chinese.

ECONOMIST: Friend or foe? | The