birth certificates出生证明

share certificates股权证

To the right of the fireplace are various framed certificates.壁炉的右边是镶在镜框内的各种证书。

It was certificated as a single-pilot aeroplane although dual controls were fitted.这架飞机虽然安装了双人操作系统, 但是获得的却是单人飞行的批文。