snack是可數名詞,沒有不可數用法.名詞 n.[C]
快餐;小吃,點心
He ate a snack before resuming work.
他吃了壹份快餐而後繼續工作.
壹份;部分go snacks（口語）均分Snacks!平均分呀!
不及物動詞 vi.
美吃快餐;吃點心[(+on)]
The boy often snacks on doughnuts.
這男孩常常把油炸圈餅當點心吃.
例句
1.N-COUNT 快餐;便餐 Asnackis a simple meal that is quick to cook and to eat.
Lunch was a snack in the fields.
午飯是在野外吃的便餐。
2.N-COUNT 小吃;零嘴 Asnackis something such as a chocolate bar that you eat between meals.
Do you eat sweets, cakes or sugary snacks?
妳吃糖果、蛋糕或甜點嗎？
3.VERB 吃小吃;吃點心If yousnack, you eat snacks between meals.語法信息
Instead of snacking on crisps and?chocolate, nibble on celery or carrot...
不要把薯片和巧克力當零食來吃，要吃些芹菜和胡蘿蔔。[2]?