这个关于猫咪的搞笑表情包在网上疯传。

This funny cat ___meme went viral on the internet.

我的电脑运行很慢，因为它的内存只有4GB。

My computer runs slowly because it only has 4GB of ___RAM.

作为这个论坛的老会员，我认识很多活跃用户。

As a long-time ___member of this forum, I know many active users.