正常情况下，正如前面提到的，机密密钥受密码短语的保护。

Normally, and as mentioned, secret keys are protected by a passphrase.

youdao

PGP的附加特性是：私钥的密码实际上不是密码，它是一个密码短语。

An added feature of PGP is that the password for the private key isn't really a password; it's a passphrase.

youdao

本特定实例没有使用密码短语，因为在每次表单提交时它都需要手工输入。

This particular instance doesn't use a passphrase because it would need to be manually entered on each form submission.

youdao