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- The factors of urban pollution are mainly amog (smoke and dust in air), fine sand flying up in air and secondary dust (ground dust), as well as dispersion of solid waste and sewage irrigation. 该市地处西北黄土高原西部,是黄河河谷盆地型城市,其城市污染代表了黄土高原干旱、半干旱条件下污染特征。
- 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。
- The new grinding machine passed all tests. 这台新磨床通过了所有的试验。
- 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。
- I need a holiday as a relief from the daily grind. 我需要休假以摆脱单调的日常工作。
- He flicked away the dust with a cloth. 他用一块布拂去灰尘。
- He is assigned a room on the grind floor. 他分配到底层一间房子。
- 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。
- They are grinding wheat into flour. 他们正在把小麦磨成面粉。
- It won't grind down any finer than this. 不能磨得比这个再细了。
- Operation Inquiry of Ground Dust Extract Station 地面除尘站运行的探讨
- He loses his balance and fall to the grind. 他失去平衡，摔倒在地。
