On overcast days, however, the birds were disoriented and had trouble locating their food box.
然而，在阴天，这些鸟儿会迷失方向，难以找到食盒的位置。
On overcast days, operators aim the mirrors skyward; sudden sun through clouds could heat the tower so quickly it could be destroyed.
在阴天，工作人员将镜子面向天空；因为突如其来的阳光可能会迅速加热塔顶而破坏。
These are prime hours for exposure to skin-damaging ultraviolet (UV) radiation from the sun, even on overcast days.
这段时间是皮肤受到太阳紫外线照射伤害的主要时段，即使是阴天也是如此。
Also take a picture without the flash, because the soft light of overcast days sometimes gives quite pleasing results by itself. Move in close.
也可以不使用闪光灯拍摄照片，有时阴暗天气的柔光会产生令人愉悦的效果。
A father is the sun, even in overcast days, I also can feel his light.
父爱是太阳，即使在乌云密布的日子里，我也能感受到他的光芒。
The autumn rain, overcast days, as if to get ready, waiting for next again.
而秋雨，是要阴了好些天，仿佛要做好准备、静候时机再下。
The results of research showed that the net photosynthetic rate decreased under (overcast) and rainy days and that would increase when it was cleared up.
结果表明：连续阴雨环境使葡萄叶片净光合速率下降，转晴后净光合速率上升。
Nor does the effect work on overcast days.
阴天的时候也无法发挥作用。
But on very overcast days those clock-shifted pigeons are just as good as normal pigeons in starting out in the right directions.
可在乌云蔽日这时那些生物钟已经改变了的信鸽在沿正确的方向起飞前行方面仍像正常的鸽子那样，做得非常好。
Temperature, overcast and rainy days, variety and cultivation condition can exert influence on the emergence of the disease.
温度、阴雨天气、品种、耕作栽培条件等对该病的发生产生影响。
One of the secrets in getting good images on overcast days is to keep the sky itself out of the picture.
在阴天取得好图片的秘诀之一是把天空本身排除在图片之外。
The Finished date of low temperature and overcast rain weather is later and the days of that is more than normal as a result of eastward Elnino event.
受东传型厄尔尼诺事件的影响，全区大部低温阴雨结束期偏迟，总日数偏多。
On overcast days, however, the chooks were disoriented and had trouble locating their food box.
但是，当太空乌云密布时，椋鸟便不也许辨别方向并且定位食品的盒子的才力会产生问题。
Today's overcast misty days, and did not know last night's fireworks, or due to weather conditions, but every New Year's Day are the kind of weather!
今天的天阴蒙蒙的，不知以昨夜的烟花，还是因天气原因，不过每次大年初一都是这种天气！这种天气让我的心情十分不爽！
But on very overcast days those clock-shifted pigeons are just as good as normal pigeons in starting out in the right directions.
可在乌云蔽日这时那些生物钟已经改变了的信鸽在沿正确的方向起飞前行方面仍像正常的鸽子那做得非常好。
But on very overcast days those clock-shifted pigeons are just as good as normal pigeons in starting out in the right directions.
可在乌云蔽日这时那些生物钟已经改变了的信鸽在沿正确的方向起飞前行方面仍像正常的鸽子那做得非常好。
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