慢速英语:Video Calling Services Compared

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短语讲解：

1. For example, FaceTime, Messenger and Skype allow users to make voice as well as video calls.

as well as 也，又
例句：Boys as well as girls are taught cookery in school these days.
现在学校里男女学生都学烹饪。

2. Some video calling services let users have group chats with multiple people joining the call at the same time.

at the same time 同时; 一起; 但是
例句：At the same time he still believed himself financially honest.
同时，他还认为自己在经济上是正直无欺的。

3. Because Duo is new this month, users will probably have to ask friends to add the app in order to connect with the service.

in order to 为了…
例句：In order to catch up with in time he run very fast.
为了及时赶到他跑得很快。

4. People then use screen sharing to see each other’s screens during a video call.

each other 互相，彼此
例句：Do you often help each other with your lessons?
你们经常互相帮助复习功课吗？