1、certificate英[s??t?f?k?t , s??t?f?ke?t]美[s?r?t?f?k?t , s?r?t?f?ke?t]，n.证明书; 证明; 合格证书; 文凭; 结业证书;vt.发给结业证书; (尤指)发给职业培训证书。
2、例句
How long will the system keep the certificate?系统会保存证明书多久？
Wives will have to bring along their marriage certificate. 已婚妇女必须携带结婚证。