您要查找的是不是：
- filter-paper method dust counter 滤纸法尘埃计
- dust counter with light scattering method 光电尘粒计数器
- A Dust Counter and Its Remote Sensing with Single-chip Microcomputer 采用单片机实现智能尘埃计数器及其遥测
- The motor car disappeared in eddy of dust. 汽车在一片扬尘的涡流中不见了。
- The forest will act as a defense against desert dust. 森林能起防御沙漠灰沙的作用。
- The car raised quite a dust as we drove off. 我们走时车子扬起了一阵尘土。
- A filter traps dust from the air. 过滤网可存住空气中的尘埃。
- There was an enormous cat crouching on the counter. 柜台上蜷伏着一只硕大的猫。
- How many enemies bit the dust in the battle? 在这次战斗中打死了多少敌人？
- He placed the money on the counter. 他把钱放在柜台上。
- The city lay in the dust after the battle. 战斗结束后，全城成为废墟。
- The dust on the shelf show up in the sunlight. 在阳光照射下能看见架子上有灰尘。
- Can the goods be refunded at your counter? 你们柜台的商品可以退吗？
- He flicked away the dust with a cloth. 他用一块布拂去灰尘。
- Dust the repair to prevent adhesion to outer cover. 清整修补处以防与外胎粘连。
- Dust thou art, and unto dust shalt thou return. 你本是尘土就该归於尘土。
- We should not act counter to our promise. 我们不应违背自己的诺言。
- My briefcase was beginning to gather dust. 我的手提箱不怎么使用了。
- He tipped the money in his pocket onto the counter. 他把口袋里的钱倾倒在柜台上。
- The relic, when exposed to air, turned to dust. 这件文物，接触空气之后，变成了粉末。
