欢迎使用facebook

come to a boil───沸腾

welcome back───欢迎归来

come to anchor───起锚

come to no good───结果不好

come to the boil───达到沸点；到达紧急关头

face to face───面对面

to Facebook───到Facebook

After booting up the phone, you come to the welcome screen and all you need to do is enter your Facebook login.───启动手机之后，你来到一个欢迎界面，然后你其他要做的，就是登陆Facebook。

Welcome to Facebook - you’re all grown up now and it’s time to start acting like it.───欢迎来到facebook - 你已经长大了，是时候改变啦。

Meanwhile, if my friends want to meet up for coffee, they're welcome to call, email, Facebook or text.───同时，如果我的朋友想一起聚聚喝杯咖啡，他们可以打电话，写邮件，用Facebook，或者发短信。