在星巴克点咖啡时，以下是一些实用的英语表达：

1. Hello/Hi, could I have a coffee, please?

（你好，我可以点一杯咖啡吗？）

2. I would like a cup of coffee, please.

（我想要一杯咖啡。）

3. Can I have a coffee, please?

（我可以点一杯咖啡吗？）

4. I'd like a [type of coffee], please.

（我想要一杯[咖啡类型]，请。）

5. I would like a [type of coffee] with [milk/cream/sugar], please.

（我想要一杯[咖啡类型]，加[牛奶/奶油/糖]，请。）

6. How would you like your coffee? Black, with milk, or with sugar?

（您想要怎样点的咖啡？纯黑、加牛奶还是加糖？）

7. I would like a [type of coffee] with [milk/cream/sugar] and [size of coffee], please.

（我想要一杯[咖啡类型]，加[牛奶/奶油/糖]，[咖啡大小]，请。）

8. Can I have some ice in my coffee, please?

（我的咖啡可以加冰吗？）

9. I would like a [type of coffee] with soy milk, please.

（我想要一杯[咖啡类型]，用豆浆，请。）

10. Can I have a [type of coffee] with a shot of espresso, please?

（我想要一杯[咖啡类型]，加一份浓缩咖啡，请。）

11. I would like a [type of coffee] with a splash of [flavor], please.

（我想要一杯[咖啡类型]，加一点[口味]，请。）

12. Can I have a [type of coffee] with a flavor shot, please?

（我想要一杯[咖啡类型]，加一份口味，请。）

在点咖啡时，可以根据自己的口味和需求选择不同的咖啡类型、牛奶、糖、冰块、口味等。希望这些表达能帮助您在星巴克顺利点咖啡！