踪尘用英语怎么说_踪尘英文怎么写

Trace dust

踪尘───Trace dust

Through collecting, dehydration, conditioned test and anti-jamming test of the sample, the content of trace urea dust in the air can be exactly determined by way of such technique.───通过对样品的采集、洗脱、消化水解、条件试验及抗干扰试验，证实本法能准确测定空气中微量尿素尘的含量。

In the center of the house, the tools which could grind wheat into flour were covered with thick dust and the trace of mice, a rude donkey saddle and some stained sacks lying nearby it.───在房子的中央，磨面粉的磨被厚厚的灰尘覆盖，还有一些老鼠的足迹，一个粗糙的驴子的马鞍和一个斑斑点点的麻布袋在附近。

Trace-evidence specialists could glean information from single strands of hair, fibers and bits of dust and pollen.───追踪专家能够从每一缕头发、纤维和遗留的灰尘和花粉中收集信息。