When Catherine joined Facebook, some of her classmates at high school started to add her as a friend.

当凯瑟琳使用脸书时，她的一些高中同学开始加她为好友。

youdao

I might add: How many of those Facebook acquaintances of yours truly deserve the title "friend"?

我打算加一个单子：你的Facebook上有交情的人中有多少个是真正配得上“朋友”这个头衔的。

youdao

A comment box will immediately appear on the right side of the screen, where I can type my comment and click "add" to store it with the file, folder, friend, etc.

一个注释框会在屏幕右边立即出现，在那里我可敲入我的评论，再点“ add ”去存放在这个文件、文件夹、朋友等里。

youdao

Yet the study found that having a friend who is lonely can add about seventeen days a year of loneliness.

VOA: special.2009.12.22

The study found that having a lonely friend can add about seventeen days.

VOA: special.2010.01.06

Two in five children have had an anonymous person try to add them as a friend on a social site.

FORBES: 9 Tips for Managing Your Child's Social Media Presence

As one of Digital Planet's regular contributors, I hope some of them will add me as a friend on one of the social sites.

BBC: NEWS | Technology | Social net offers new perspective

Content in the feed about individuals and pages will show a little slice of their timeline, including their cover photo and a button to add them as a friend or to like the page.

CNN: Facebook revamps site, tweaks mobile apps