authenticate
UK/ɒ:'θentikeit/US
TOEFLC1
释义
v.
To prove or confirm that something is genuine, true, or valid.
证明……真实;鉴定,验证。
v.
(Computing) To verify the identity of a user before granting access.
(计算机)验证(用户)身份,认证。
词根拆分
词根派生authenticroot
+
-ate与……有关的,具有……性质的(构成形容词的后缀)
=authenticate
authentic(真的,来自希腊语 authentikos)+ -ate(使/认定)= 确证某物为真。在计算机领域转为「确认某人身份」——证明用户是真正的账户持有者。
常用搭配
- 1.authenticate a document鉴定文件
- 2.authenticate users验证用户身份
- 3.authenticate the signature鉴定签名
例句
- 1.
A specialist was hired to authenticate the painting.
他们聘请了一位专家来鉴定这幅画的真伪。
- 2.
You must authenticate with a password before logging in.
登录前你必须用密码进行身份验证。
- 3.
The signature was authenticated by a handwriting expert.
这个签名经笔迹专家鉴定为真。