Still others argue that volcanic dust injected into the atmosphere shields Earth from the Sun's rays and initiates an ice age.
还有人认为，注入大气的火山灰保护地球免受太阳辐射，并开启了一段冰河时代。
We won't dust them off from a box and show them to a generation half our age.
我们不会从尘封的盒子中取出它来给小我们一半的一代人看。
Years age it was a day of breezy March when the murmur if the spring was languorous, and mango blossoms were dropping on the dust.
好几年前，三月风吹的一天，春天倦慵地低语，芒果花落在地上。
With type B/AB, increasing age and possibly long-term occupational dust exposure were risk factors for lung cancer mortality.
在B/AB型血的人中，年龄增加和在职业中长期接触粉尘是肺癌死亡率最关键的因素。
I've photographed a lot of airstrikes in Aleppo, but there was so much there in his face, the blood and the dust mixed, at that age.
我在阿勒坡拍摄过大量空袭的照片，但是他那混杂着血渍和灰尘的小脸蛋上却写满了这个时代的苦难。
Yearss age it was a day of breezy March when the murmur if the spring was languorous, and mango blossoms were dropping on the dust.
好几年前，三月风吹的一天，春天倦慵地低语，芒果花落在地上。 缱。
Conclusion as the working condition has been improved, the average morbidity age increased and the duration from dust exposure to development of silicosis prolonged year by year.
结论随作业条件的改善，尘肺患者的平均发病年龄逐年增高、发病工龄逐年延长。
The top three allergens in school age group were dust mites and house dust mites (45.33%), fungus combinations (28.00%), Short ragweed and artemisia (25.33%).
学龄期组，前3位过敏原分别为户及粉尘螨(45.33%)、真菌组合(28.00%)、矮豚草及蒿(25.33%)。
This Standard specifies the supreme permissible effluent concentration of flue dust, SO2 and nitrogen oxides as well as the emission limits of flue gas blackness by age limits.
本标准分年限规定了锅炉烟气中烟尘、二氧化硫和氮氧化物的最高允许排放浓度和烟气黑度的排放限值。
This Standard specifies the supreme permissible effluent concentration of flue dust, SO2 and nitrogen oxides as well as the emission limits of flue gas blackness by age limits.
本标准分年限规定了锅炉烟气中烟尘、二氧化硫和氮氧化物的最高允许排放浓度和烟气黑度的排放限值。
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