For this reason,he says, air searches would need to be done in areas where the climate is dry or plants lacking altogether.

VOA: special.2009.11.17

This says, if you want to be in the air for a long time, so you may think that 90 degrees is the best angle.

也就是说,如果你想在空中停留更久,你也许会认为 90°是最佳选择

耶鲁公开课 - 基础物理课程节选

that whatever it is, it's going to be delicious, because of the delicious aroma in the air.

不管他们做的是什么，肯定很美味，因为空气中漂浮着食物的诱人香味。

What kind of 课堂 - SpeakingMax英语口语达人

Abuja is the second destination in Nigeria to be served by Delta Air Lines.

VOA: standard.2009.06.13

But it can be acquired in the air, from patients that are from- from other individuals that are infected.

天花会通过空气传播,通过病人和其他感染者呼出的空气传播

耶鲁公开课 - 生物医学工程探索课程节选

And although U.S.officials say small adjustments may be possible in the specific plan for an air base in northern Okinawa, Secretary Gates said he doubts the U.S.Congress would agree to significant changes in the agreement, particularly if they would cost the United States more money.

VOA: standard.2009.10.20

I've already suggested that in a variety of ways this is a response that can be naive but it is still very much in the air.

我已经暗示过，在各种各样的方式里,这个是一种天真的响应，但是仍然有很多这种声音存在。

耶鲁公开课 - 文学理论导论课程节选

strategic objective." The defense secretary has given several hints of his views on the way forward in Afghanistan, including a speech earlier Monday in which he cautioned against an over-reliance on air power and high technology, which some officials believe should be used more in Afghanistan, instead of the additional troops the U.S.and NATO commander there wants.

VOA: standard.2009.10.06

It's going to take place in there. It's going to be a constant pressure, it might be open to the air, or even if it isn't, there might be plenty of room, and it's a liquid anyway, so the pressure isn't going to change significantly.

也许它是液体，它在这个位置,这是恒压的，它也许是连通大气的，就算不是，它也有，足够的空间，而它是液体,压强不会显著地改变。

麻省理工公开课 - 热力学与动力学课程节选

That means, if you are going in a plane and you throw something up in the air, it seems to be going up and down to you.

也就是说,如果你在飞机中,你向空中扔出一物体,它也许会相对于你上下运动

耶鲁公开课 - 基础物理课程节选