我通常在下午三点左右吃个零食。

I usually have a ___snack around three o'clock in the afternoon.

你想吃点什么零食吗？

Would you like a ___snack?

我午餐吃了很多，所以晚餐只需要吃点零食。

I had a big lunch, so I'll only need a ___snack for dinner.