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#每日單字 day89certificate(n.) 證書;證明 /sɚˈtɪf.ə.kət/(v.) 證明 /sɚˈtɪf.ɪ.keɪt/He has a certificate in computer science.他擁有電腦科學的證書。A welder who has been certificated to work at a certain level must be brought in to do the repairs.必須請個有一定級別證書的焊工來進行維修。