英语词汇“chorionic villus sampling”是什么意思，“chorionic villus sampling”的读音、用法及例句翻译-烛光网

词汇	chorionic villus sampling
释义	chorionic villus samplingn.（名词） A prenatal test to detect birth defects that is performed at an early stage of pregnancy and involves retrieval and examination of tissue from the chorionic villi. Also called chorionic villus biopsy 绒毛膜绒毛取样：一种胎儿期检查，以发现怀孕早期的胎儿缺陷，并恢复和检查被卵膜绒毛包着的组织也作 chorionic villus biopsy
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