1.companion n.同伴；朋友；指南；手册

例句：So he took his lame companion upon his back, and they traveled on with safety and pleasure.
于是，瞎子把他的瘸子同伴背在背上，他们既安全又愉快地继续上路了I=M#,5(H&]H,6_XfF|JG。

2.sign-up n.注册；签约

例句：After you sign-up, you can immediately begin entering in any feeds (up to 20) that you like with any filtering keywords you’d like.
注册之后，可以立即输入你喜欢的任意供稿（最多20个），并且输入你想要用来过滤的关键词YjLHbqzh-w~[,K。