网络主播在英语中可以称作 "online broadcaster"。这个词可能源自两个词："online" 和 "broadcaster"。"Online" 在英语中通常用来形容在网络上运作的事物，而 "broadcaster" 指的是通过广播媒介传播信息的人。所以网络主播就是在网络上传播信息的人。

下面是一些示例句子：

The online broadcaster was live streaming a video game on Twitch when his cat jumped on the keyboard and started typing.

Many online broadcasters are able to make a living by creating engaging content for their viewers.

The online broadcaster was known for her funny skits and humorous commentary on current events.