first vault

• 第一跳

first vault的用法和样例：

例句

1. He tried to set his horse at the first jump.
   他试图让马在第一跳就跳过去。
2. Since the host identifies the message by the link-local address as coming from its first hop router, it accepts the Redirect.
   由于主机通过链接本地地址来鉴别消息来自它的第一跳路由，所以它接受了重定向。