control group

英 [kən'trəʊl ɡruːp] 美 [kən'troʊl ɡrʊp]

• n. 控件组；对照组

例句

用作名词 (n.)

1. The control group took chlorpheniramine orally.
   对照组口服扑尔敏。
2. Those in control group only received general treatment.
   对照组患者仅给予脑卒中的一般治疗。