及物动词
1. Two witnesses must certify that this is your signature.
须有两个见证人证明这确是你的签字。
1. 认证：先签章(Digital Sign)、后加密(Encrypting)--由RA向公正第三者提出 Public Key认证(Certify)申请网路安全的问题,在网路应用大量普及之后,已经渐渐为大家所重视,开始采取各种安全防护机制保护企业网站,特别是防火墙,使用的十分普遍.
2. 证明,保证：certified pipette 检定吸(量)管 | certify 证明,保证 | cerumen 耵聍,耳垢
1. 证明;出具证明;证实
If someone in an official position certifies something, they officially state that it is true.
e.g. ...if the president certified that the project would receive at least $650m from overseas sources...
如果总统证明这个工程将获得至少6.5亿美元的海外资金
e.g. The National Election Council is supposed to certify the results of the election...
全国选举委员会应对选举结果出具证明。
2. 给…颁发合格（或结业）证书
If someone is certified as a particular kind of worker, they are given a certificate stating that they have successfully completed a course of training in their profession.
e.g. They wanted to get certified as divers.
他们想拿到潜水员资格证。
e.g. ...a certified accountant...
持证会计
verb
1. provide evidence for
stand as proof of
show by one''s behavior, attitude, or external attributes
e.g. His high fever attested to his illness
The buildings in Rome manifest a high level of architectural sophistication
This decision demonstrates his sense of fairness
Synonym: attestmanifestdemonstrateevidence
2. declare legally insane
3. guarantee payment on
of checks
4. authorize officially
e.g. I am licensed to practice law in this state
5. guarantee as meeting a certain standard
e.g. certified grade AAA meat