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- threshold quantity of dust 尘阈值
- Experiments are done to find the different and the hest wars foam catches dust, the relation between the time of foam exiting and the quantity of dust being caught. 通过实验，研究了泡沫捕捉粉尘不同方式与过程，得出了最优捕捉粉尘的方式、泡沫破裂时间与捕尘量的关系。
- The motor car disappeared in eddy of dust. 汽车在一片扬尘的涡流中不见了。
- Volcanoes discharge massive quantities of dust into the stratosphere. 火山喷射出大量的灰尘进入大气平流层。
- There is a fine layer of dust on the desk. 桌子上有一层薄薄的尘土。
- The car went past in an eddy of dust. 那汽车在一阵滚滚的尘土中驰过。
- A quantity of unknown numerical value. 未知数数值不明的一个数量
- A fine layer of dust covers everything. 所有的东西都盖了一层薄薄的灰尘。
- The mirror is covered with a film of dust. 镜子蒙上了一层灰尘。
- I've got a speck of dust in my eye. 我眼睛里弄进了一粒灰尘。
- Eddies of dust swirled in the road. 路上尘埃滚滚。
- The factory turns out a large quantity of paper products. 这家工厂生产大量的纸制品。
- Can you make us a special offer based on a quantity of ... ? 以。。。数量为基础，贵公司能给特价吗？
- Immeasurable quantity of natural resource was lost forever through misuse. 无法估量的自然资源因被滥用而永远丧失了。
- There is a small quantity of water left in the bottle. 瓶子里还剩下少量的水。
- He ate a small quantity of rice. 他吃了少量的米饭。
- The carriage left a trail of dust. 马车后扬起了一缕烟尘。
- There's not a speck of dust in their house. 他们的屋里没有一点儿灰尘。
- The cars set off in a cloud of dust. 那些汽车在滚滚尘埃中启动了。
- Put a small quantity of sugar into the batter. 在面糊里放少量的糖。
