1. Denver Developmental Screening Tests 
   丹佛发展筛选测验
2. They were screening coal. 
   他们在筛煤。
3. A screening against light or heat. 
   遮蔽光或热的遮挡物
4. One must brush contact when screening. 
   做掩护时必须擦肩而过。
5. rapid screening test for environmental chemical carcinogens 
   环境化学致癌物快速筛检

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