cert

名词

1. 1

   铁定的事、必然的事英式口语

   With that lineup, their win is a dead cert.

   以这样的阵容，他们获胜是铁定的事。

2. 2

   证书、凭证、证照口语，certificate 的缩写

   Remember to renew the security cert before it expires.

   记得在安全凭证到期前更新。