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- Occupational dust particles 职业烟尘微粒
- We can see the dust particles floating in the sunlight clearly. 我们可以很清楚地看到阳光下的灰尘颗粒。
- How do I look for interstellar dust particles? 我该怎样去寻找星际尘埃颗粒呢?
- The air is filtered from dirt and dust particles. 空气中的污物和灰尘颗粒都被过滤掉了。
- The dust particles will settle down in the short run. 尘粒不久就会沉降下来。
- The dust particles cut into a man's skin and burned his eyes. 沙粒割得人脸生疼,眼睛都睁不开。
- Q. Why are interstellar dust particles hard to locate? 问：为什么星际尘埃如此难以定位?
- The Leonids are minute dust particles shed by Comet Tempel-Tuttle. 每隔几秒钟，至少都会有一丁点的太空尘埃燃烧着闯入大气层。
- Q. How were the interstellar dust particles captured? 问：这些星际尘埃是如何捕获的?
- The more dust particles in the air the more colorful the sunrise or sunset. 大气中灰尘的微粒越多，日出或日落的景色越显得绚丽多彩。
- 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。
- The water vapor and dust particles also serve to reflect the rays of the sun. 水蒸气及灰尘微粒也起到反射太阳光的作用。
- Q. How many interstellar dust particles did Stardust bring to Earth? 问：“星尘”带回了多少星际尘埃?
- A dust particle weighs only a thousandth of a gram. 一粒尘埃的重量仅有千分之一克。
- When she swept the floor, she sent dust particles flying into the air. 她扫地的时候,空气中飘着尘埃。
- The ring itself is tenuous, made up of a thin array of ice and dust particles. 新光环是由非常稀疏的冰粒和尘埃粒子组成的。
- High salt levels in the diet, long-term occupational dust exposure, and heavy alcohol use( more than10 wine drinks per week) each increased the risk of lung cancer death by more than twofold. 其中食盐量过高，在职业中长期接触粉尘和酗酒（周超过10次以上）最重要的肺癌死亡因素。
- High salt levels in the diet, long-term occupational dust exposure, and heavy alcohol use (more than 10 wine drinks per week) each increased the risk of lung cancer death by more than twofold. 其中食盐量过高，在职业中长期接触粉尘和酗酒（每周超过10次以上）是最重要的肺癌死亡因素。
- In men with type O blood, cumulative tobacco use, high salt intake, long-term occupational dust exposure, high fat intake, alcohol consumption, and older age were all risk factors for lung cancer mortality. 在O型血的人中考察的癌症危险度因子有，长期吸烟，食盐量过高，在职业中长期接触粉尘，高脂肪摄入，酗酒，和年老等。
- Two previous missions, Ulysses and Galileo, had already detected the flow of dust particles into the solar system. 先前的两个任务，尤利西斯和伽利略，已经探测到飘进太阳系的尘埃流。
