#每日單字 day89

certificate
(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。