snake指零食，口语化。

1. Usually I only have a snack at lunchtime.

2. The children have a mid-morning snack of milk and biscuits.

这些儿童在早餐与午餐之间有牛奶与饼乾作点心.

我旅行时喜欢吃小吃而不吃正餐.

4. We were in a hurry so we had to make do with a quick snack.

我们时间很紧, 只好胡乱吃了顿小吃.