I am busy, so it is up in the air.
现在我很忙，所以无法确定。
If it is displayed on such occasions, do not allow the flag to fall to the ground, but let it be carried high up in the air to form a feature of the ceremony.
如果在这种场合展示国旗，不要让国旗掉到地上，而是让它高高地悬在空中以构成仪式的特色。
Whether they can do much about it in the timeframe they have set themselves is very much up in the air.
在他们给自己设定的时限内，能否在这方面有所作为，很大程度上还是未知数。
One way to get round this limitation is to set up a laser in mid-air, its beam sampling the molecules along its path as it returns to the source.
避免这个局限的一种方法是在两者之间放置一个激光器，它的光束在返回光源时对途径的分子进行取样。
Sometimes the skin is rubbed with malt sugar to give it an amber colour and is then hung up to air dry before roasting in the oven.
有时厨师会给鸭皮抹上饴糖使它变成琥珀色，在放入烤炉烘烤之前还需要把鸭子挂在空气中干燥。
It is also a place of fun. Running down a dune is easier than trekking up it, especially when you bound in great leaps and fly through the air.
这里也是一个好玩的地方，奔下沙丘要比跋涉向上容易得多，特别是你大步跨越时，飞越空中的时候。
The thicker stuff has more earth in it and less air, the lighter stuff has more air in it and less earth, but all matter is made up of these four elements.
厚的东西含有更多土更不气，轻的东西含更多气更少土，但所有物质都由这四种要素组成。
Running down a dune is easier than trekking up it, especially when you bound in great leaps and fly through the air. We return to the train for showers and coffee like happy Bedouins.
这里也是一个好玩的地方，奔下沙丘要比跋涉向上容易得多，特别是你大步跨越时，飞越空中的时候。
It is as if the time were come to wind up my work, and I feel in the air a faint smell of thy sweet presence.
这就像结束工作的时间已到，我感觉到空气中有你降临时带来的淡淡馨香。
If, for instance, you have a ball held up in the air by a blast of air, it is floating on air.
例如，你有一个球是通过空气爆发的方式被举起来的，它现在就浮在空气当中。
It is as if the time were come to wind up my work, and I feel in the air a faint smell of thy sweet presence.
这就像结束工作的时间已到，我感觉到在空气中有你光降的微馨。
The warm air flow produced in this way feeds the nose with fresh air, picks up the sweat and others from the human body and arrives at the top from where it is taken away by the exhaust air outlet .
这种方式产生的暖气流带着新鲜空气流入人的鼻子，带走了身上的汗味及其它混浊气体，最后，到达房间的顶部，并在那里从排气孔排出。
It is like an explosion which cannot be contained, which throws you up in the air along with everything else.
这就犹如一场无法遏制的爆炸，你和其他一切全都轰上了天。
It is to make sure of the importance for China Southern Air Holding Company to draw up goal statement and mission statement in the new marketing environment.
明确中国南方航空集团在新的营销环境下制定目标陈述和任务陈述的重要性。
But when you play with only one up front you like as well a guy who is good in the air as sometimes you kick it longer.
但是当你作为一个单前锋，你也希望这个小伙子可以头球出色，因为有时你也要踢长传。
The fact that an aeroplane is up in the air and cannot stop if anything goes wrong, makes it perhaps a matter of life or death that its performance is absolutely dependable.
事实上，飞机是在空中，不能停止，如果任何事情都会发生错误，这使得或许是生死存亡，其性能绝对可靠。
In fact, the reason the U. S. air Force chose the air-launched anti-satellite system is that it does not have to have its target line up with a ground-based missile pad.
事实上这也是美国选择空基反卫星武器的原因：目标卫星轨道不需要被改变。
When Dorrington finally gets up in the air, the feeling is not only contagious, it is sacramental.
当道林顿终于起飞之后，这份感受不仅具有了感染力，而且也变得庄严神圣起来。
DOAS is a new skill in the remote sensing of air. It has advantage in non-compare with the other methods. It makes up the limitations of usual supervision methods during the expressway construction.
光谱遥感监测是大气环境污染监测领域的一项高新技术，具有其他方法不可比拟的优点，它弥补了常规监测方法在高速公路建设期中对大气污染监测的局限性。
At this point, Selenium throws its hands up in the air, there is very little it can do.
在这一点上，硒把双手在空中，很少有能做的。
It can sense if a driver is drunk via electronic sensors that can pick up alcohol vapor in the air, and refuse to start up the engine.
它能通过会感测空气中的酒精雾气的电子传感器检测开车者是否喝醉酒，并拒绝启动引擎。
You can pull it up over your mouth to warm the air you're breathing in, which is especially helpful when you first start your run.
你能在你的嘴之上把它拉起来温暖你正在吸入的空气，这当你最初开始你的奔跑，尤其有帮助。
The alluvium thickness of air shaft in Zhaogu No. 2 Coal Mine is up to 528.85 m. The geologic and hydrographic conditions are complex, so it is very difficult for freezing design and construction.
赵固二矿风井筒穿过的冲积层厚度达到528.85m，地质、水文地质条件复杂，冻结设计和施工难度较大。
The alluvium thickness of air shaft in Zhaogu No. 2 Coal Mine is up to 528.85 m. The geologic and hydrographic conditions are complex, so it is very difficult for freezing design and construction.
赵固二矿风井筒穿过的冲积层厚度达到528.85m，地质、水文地质条件复杂，冻结设计和施工难度较大。
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