familiar的用法有哪些

　　His fans would already be familiar with Caroline.

　　他的'崇拜者们一定已熟悉卡罗琳。

　　They are already familiar faces on our TV screens.

　　他们已经是我们电视屏幕上熟悉的面孔了。

　　Are you familiar with the computer software they use?

　　你熟悉他们使用的计算机软件吗？