您要查找的是不是：
- A dust particle weighs only a thousandth of a gram. 一粒尘埃的重量仅有千分之一克。
- The car raised quite a dust as we drove off. 我们走时车子扬起了一阵尘土。
- All of the trucks raised a dust. 这些车辆卷起一团团烟尘。
- That boy always raises a dust about everything. 那个男孩对任何事都大惊小怪。
- The car raised quite a dust as it drove past. 汽车开过时扬起了一阵尘土。
- Electron micrograph of a dust particle on nitron-barium chloride film and its X-ray spectrum (sample of case 1) 膜上沙尘粒子的电子显微镜照片和它的X射线能谱(沙尘1样品)
- Do you need a dust jacket for the book? 这本书需要防尘外套吗?
- The car raised a dust as it went by. 汽车走过时扬起一片尘土。
- 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。
- A solar energy collector;a dust collector. 太阳能集电器；集尘器
- Of this world, every individual is just a dust. 对这个世界而言，每个人只是一粒尘埃。
- Q. How will I recognize a real interstellar dust particle track if I see one? 问：假如我看到了一个如何才能认出那就是星际尘埃的踪迹呢？
- It is dispersed either by thermal volatilization or as a dust. 它用加热蒸发或粉尘的方式散发。
- How do I look for interstellar dust particles? 我该怎样去寻找星际尘埃颗粒呢?
- a dust particle 尘埃
- 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。
- Even Brighton on the south coast got a dusting. 甚至在英国南部的布赖顿也出现了降雪。
- The mechanical behaviors of dust particle in ESP(electrostatic precipitator)directly affect effect of tapping and removing. 粉尘粒子在电除尘器中的力学行为直接影响电除尘器的振打清灰效果。
- The dust particles will settle down in the short run. 尘粒不久就会沉降下来。
