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air burden fine dust 大气尘埃含量
The pebbles were beaten to a fine dust. 卵石被敲成粉末。
Dual-stage air filter to protect the engine from dirt and fine dust. 双阶段的空气过滤器，以保护发动机从污垢及灰尘的罚款。
His teeth crushed the biscuit into fine dust. 他的牙齿把饼干磨成了粉末。
Fine dust in the nebula reflects the light. 星云中细致的尘埃反射了星光。
Fine dust dispersed in air in sufficient concentrations, and in the presence of an ignition source is a potential dust explosion hazard. 醋酸钠粉尘在空气中达到一定的密度，或在有明火源的情况下，有可能引起爆炸。
Thousands of spectators cheered as the space plane rolled 3 kilometers before halting, trailing a curtain of fine dust. 航天飞机拖着掀起的细尘滑行3公里以后停了下来，数千观众欢声雷动。
Diesel smoke and fine dust in the urban areas are the most imminent problems, causing a nuisance and constituting a serious health concern. 市区的柴油黑烟及微尘是最迫切的空气污染问题，它们不但造成滋扰，对健康也有严重影响。
Fine dust is produced while sawing, milling, grinding and sanding.Irritant fumes may be produced while thermoforming. 在锯割、车铣、研磨和抛光打磨时容易细粉尘，热成型加工易产生刺激味道烟雾。
Vacuums are great at picking up fine dust but suck horribly at bigger pieces of trash. 吸尘器拿手的是清理那些细小的灰尘,但对那些大些的垃圾就无能为力了。
Most of the shavings were concentrated in one area, Tani said, and nearly everything else was covered with a fine dust. 多数钢屑集中在一个区域，而且几乎所有的其他部件都覆盖上了细细的灰尘。
A filter traps dust from the air. 过滤网可存住空气中的尘埃。
Diesel smoke and fine dust in the urban areas are the most imminent problems,causing a nuisance and constituting a serious health concern. 市区的柴油黑烟及微尘是最迫切的空气污染问题，它们不但造成滋扰，对健康也有严重影响。
Construction, beams and furniture. Allergy sometimes caused by fine dust on sawing, and resin easily stuck to saw-teech. 建筑用材，，只角材，板用旋切单板，屑易使皮肤过敏，材中所含树脂常黏滞在锯齿中。
The relic, when exposed to air, turned to dust. 这件文物，接触空气之后，变成了粉末。
Surely the nations are like a drop in a bucket; they are regarded as dust on the scales; he weighs the islands as though they were fine dust. 看哪,万民都像水桶的一滴,又算如天平上的微尘。他举起众海岛,好像极微之物。
It will become fine dust over the whole land of Egypt, and festering boils will break out on men and animals throughout the land. 这灰要在埃及全地变作尘土,在人身上和牲畜身上成了起泡的疮。
The air in the garden was warm and fragrant. 花园里的空气一片温馨。
The archers sent their shafts through the air. 弓箭手向空中射出利箭。
Like fine dust thrown against the wind, evil falls back upon that fool who offends an inoffensive, pure and guiltless man. 若人冒犯了不应受到冒犯、清净无染者（即阿罗汉），该罪恶返归于愚人，如逆风扬尘。