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- Main interests are research on detection me-thods of trace pollutants, mechanism of environmental pollution and nonlinear optical phase conjugation. 主要从事环境微量污染物检测方法及污染机理研究，非线性光学相位共轭技术研究。
- Concerning trace pollutants in water and refractorywastewater , new kinds of ozonation technolqgies have been developed. 近年来由于对微污染物和难降解有机废水的关注，臭氧处理技术有了新的发展。
- I can't trace that letter you sent me. 我找不到你寄给我的那封信。
- He spoke without a trace of emotion. 他说话时毫不动感情。
- Did the police find any trace of the murderer? 警方找到凶手的行踪了吗？
- They failed to find any trace of the runaways. 他们未能找到逃跑者的任何踪迹。
- There was barely a trace of salt in the soup. 汤里简直一点盐也没有放。
- The post office tried to trace the lost letter. 邮局设法查出那封丢失的信。
- The kids are learning to trace the letter. 孩子们学描字母。
- He always spoke with a trace of sarcasm. 他说话总带着一丝讽刺。
- Discharge pipe take pollutant away from the coastal area into the sea. 排泄管道将污染性物质由沿海岸区排入大海。
- The powerhouse was trace out accurately later on a large scale map. 后来发电站被精确地描画在大比例地图上。
- A faint or fleeting indication; a trace. 模糊的暗示模糊的或一闪即逝的暗示; 迹象
- The country woke from her trace of two hundred years. 这个国家在沉睡了200年之后觉醒过来了。
- The rain flushed away the trace left by the criminals. 大雨把犯罪分子遗留的痕迹冲刷掉了。
- A slight trace of color; a tinge. 色调轻微的一抹颜色; 色调
- trace pollutant 痕量污染物
- Carbon dioxide may not be a typical air pollutant. 二氧化碳可能不是一种典型的污染物。
- The family can trace its history to the 17th century. 这个家族的历史可以追溯到十七世纪。
- Coal itself is a heavy pollutant. 煤本身就是一种严重的污染物。
