"We eat cookies" 的英语表达是 "We eat biscuits"。
"Biscuit" 是英语中的一种饼干，它来源于法语 "biscuit"，原意是烘焙品。
例句：
"I love to eat chocolate chip cookies for breakfast." (我喜欢早餐吃巧克力饼干。)
"Can you bring me a glass of milk and some cookies?" (你能给我带来一杯牛奶和一些饼干吗？)
"My grandma always has a jar of homemade cookies on her kitchen counter." (我奶奶总是在厨房台面上放着一罐自制饼干。)