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- digital dust measuring apparatus 数字测尘装置
- beta-ray dust measuring instrument β射线测尘仪
- Methods The work processes and records of dust measurements were examined. Free SiO2 content from agate samples was measured. 方法测定广州某珠宝加工厂 33名玛瑙尘接触工人作业环境玛瑙尘的总尘浓度、分散度和游离SiO2含量；
- Previous Cassini plasma and dust measurements indicated that this partial ring may be produced from relatively large, icy particles embedded within the arc, such as this moonlet. 早先的卡西尼等离子和尘埃测量数据显示这一环弧可能是由镶嵌在环内的相对较大的冰质微粒所产生，比如此次发现的小卫星。
- 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。
- How many enemies bit the dust in the battle? 在这次战斗中打死了多少敌人？
- 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。
- 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。
- My briefcase was beginning to gather dust. 我的手提箱不怎么使用了。
- The relic, when exposed to air, turned to dust. 这件文物，接触空气之后，变成了粉末。
- There is a fine layer of dust on the desk. 桌子上有一层薄薄的尘土。
- Another of my great ideas bites the dust! 我的一个好主意又碰壁了。
- On well, another good idea bites the dust. 算了，又一个好主意失败了。
- Not measuring up to standards or expectations. 不合格的与标准或期望不符合的
