They are subject to climatic occurrences such as weather systems, which impact upon hemispheres as a whole, and from continent to continent.
它们受到气候变化事件的影响，例如天气系统能影响整个半球和各大洲都有影响。
If feeding is stopped during severe weather, birds used to relying upon the feeders must starve.
如果在恶劣天气停止喂食，习惯依赖喂食的鸟儿就会挨饿。
The hot weather of July had crept upon them unawares, and the atmosphere of the flat vale hung heavy as an opiate over the dairy-folk, the cows, and the trees.
七月的炎热天气在不知不觉中来到了人们身边，平坦山谷中的大气好像麻醉剂一样，既沉重又沉闷，笼罩着奶牛场的人们、奶牛和树木。
Whether we will go outing tomorrow or not depends on/upon the weather.
我们明天是否郊游要看天气而定。
We shall presently see that this position of the sun exercises great influence upon the weather.
在后面的章节中，我们会介绍太阳的位置对天气的重要影响。
Exactly where a hypothetical "radiation cloud", from either Fukushima Daiichi or Onagawa, would go should depend upon the weather pattern at the time of, and following, the release.
一片假设的“辐射云”从福岛或者女川方向，在泄露之时以及之后，向哪里移动一定是由天气模式决定的。
A scene can change dramatically depending upon the weather at any given moment. As a result, choosing the right time to shoot is of real importance.
一个场景会根据天气情况出现戏剧系的变化，所以选择恰当的时间进行拍摄就显得尤为重要。
Ride your bicycle instead of driving your car, depending upon your destination, the weather, and safety concerns.
从你的目的地、天气和安全方面考量，用骑车代替开车。
She conditioned her leaving upon the weather.
她动身与否，视天气而定。
一切要看天气如何。
The weather also has become much more harsh upon the surface of the earth.
地球表面的气候也变得更加恶劣。
Exam week is almost upon us, and so is the winter break. I trust everybody's doing well in this cold, cold weather.
考试周即将来临，随之而来的就是寒假。相信大家都在这冷冷的天气中准备好了。
Several others were rawboned and sallow, as if they had been beaten upon by all sorts of rough weather.
还有几个人骨瘦如柴，面色蜡黄，像是遭受过各种逆境的打击。
The paper touches upon the dusty weather which has caused serious influence on the northern part of China, especially the sandstorm disaster and its harm.
论述了我国北方地区造成严重影响的沙尘天气，特别是沙尘暴及其危害及研建完成的“沙尘暴的卫星遥感监测与灾情评估系统”及其监测评估实例。
For instance, are you in an area where it may be frowned upon to enter a local cultural attraction in sandals, shorts, sleeveless tops or other revealing warm weather clothing?
例如，你在一个区域，它可能会令人难以接受的输入本地凉鞋，短裤，无袖上衣或其他露出温暖的天气服装的文化景点吗？
The weather in Atlanta was not as warm as I expected upon myarrival.
亚特兰大的天气没有想象的暖和，早上出发还是觉得很冷。
Sometimes in pleasant weather it was a consolation to look upon the cow's pranks as an intelligent attempt to play hide and seek.
有时候，遇到天气好，把牛的恶作剧看成一次饶有兴味的捉迷藏游戏， 倒也可以解解闷儿。
You cannot calculate upon fine weather.
你不能指望好天气。
To improve upon persistence forecasting, companies rely on numerical weather prediction (NWP), the approach used by meteorologists to produce national weather forecasts.
为了改进持续性预报，企业们依靠数值天气预报(NWP)，这是一种气象学上用来进行天气预报的方法。
More than 27,000 fishing vessels in Hainan were anchored in harbor on Monday upon the weather alert.
周一，海南发出天气警报，2万7千多艘渔船进港停泊。
She says that people universally tend to think that happiness is a stroke of luck, something that will maybe descend upon you like fine weather if you're fortunate enough.
她说人们普遍以为快乐全凭运气，运气好的话，快乐就像好天气般降临在你身上。
Don't reckon upon the weather being fine for your garden party.
不要指望你举行游园会时会是好天气。
She says that people universally tend to think that happiness is a stroke of luck, something that will maybe descend upon you like fine weather if you're fortunate enough.
她说：人们一般认为快乐就象好运突然来临，好象只有当你的运气足够好时，才有可能遇到好天气。
You can't calculate upon fine weather.
你别指望有好天气。
They had sufficient food for only two more days and if the weather didn't improve they would have to draw upon their emergency rations.
他们只有足够两天的食品了，如果天气不好转的话，他们将只得动用备急用的军用干粮了。
Critics may well seize upon this to diminish claims that the weather is getting worse, but taken together, it's a more frightening picture.
一些批评家也许会紧抓住这一点来轻视天气正越变越糟的观点，但综合起来考虑，这是幅更可怕的画面。
Such a man came upon him, like a ghost, at noon in the July weather, as he sat on his heap of stones under a bank, taking such shelter ashe could get from a shower of hail.
那个七月天的正午就有这样一个人像鬼怪般向他走来。 那时，他正坐在一道陡壁下的石堆上想方设法躲避着一场冰雹。
Frontal characteristics the activity of a front in terms of weather depends upon the vertical motion in the air masses.
锋的特征从天气方面来说，锋的活跃程度依靠空气团的垂直运动。
Frontal characteristics the activity of a front in terms of weather depends upon the vertical motion in the air masses.
锋的特征从天气方面来说，锋的活跃程度依靠空气团的垂直运动。
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