He says that teenagers should set the volume control on their music players to somewhere between one-half and two-thirds the highest level,never louder.

VOA: special.2010.09.28

There is no machine yet that can recognize faces or understand sentences at the level of a two-year-old human.

至今还没有任何机器,能够做到面孔识别,或是理解两岁儿童能够轻易理解的句子

耶鲁公开课 - 心理学导论课程节选

So at this point in the story-- at this level in the story, if you will, I've touched one, two, three, four numbers total or I've made two comparisons.

那么这时，我总共已经动过了1，2，3，4个数字,或者说我做了两次比较。

哈佛公开课 - 计算机科学课程节选

At the same time,he has decided to send two high-level officials to Damascus for talks with Syria.

VOA: special.2009.03.07

It's in here to--intended to do two things: One to show you something about the method that we will be using in here and two, to show you something of the level of this course-- the level of the course.

这个测试的目的是,第一,向你展示一些我们的教学方法,第二,告诉你本课程所处的水平,本课程的水平

耶鲁公开课 - 聆听音乐课程节选

It says H.I.V.-related deaths appear to have reached their highest level in two thousand four.

VOA: special.2009.12.08

She leads us to a two-level room in the middle of the museum.

VOA: special.2010.03.03

We had the impeachment of President Clinton, we had the Vietnam War, we had the Iran-Contra investigation, periods when the two parties had an enormously high level of tension.

VOA: special.2011.01.10

"The expected decline in world hunger in two thousand ten is primarily the result of better access to food as the global economy recovers, and food prices remain below their peak level of mid-two thousand eight."

VOA: special.2010.09.21

The U.S.Assistant Secretary of State, Kurt Campbell,and his deputy, Scot Marciel,arrive in Burma Tuesday for two days of high-level meetings.

VOA: standard.2009.11.02

The two countries have created a cabinet-level group in hopes of resolving the dispute soon, but Gabe expects the debate to drag out for months, while Japanese leaders try to find common ground.

VOA: standard.2009.11.11

The World Health Organization says it needs to see clear evidence of sustained community transmission of the swine flu virus from person-to-person in at least two regions of the world before it raises its alert to the phase six pandemic level.

VOA: standard.2009.05.14