经典句型:How could I use this coin laundry? 怎样用这台投币洗衣机？

A:How could I use this coin laundry?
甲:怎样用这台投币洗衣机？
B:Put three coins and then push this button.
乙:投3枚硬币，然后按这个按钮。
A:Do I have to put laundry powder in?
甲:需要放洗衣粉吗？
B:Of course.
乙:当然了。

经典句型:I'd like to know how to use this washing machine. 我想知道怎么用这台洗衣机。

A:Excuse me. Can you help me?
甲:打扰了。能帮个忙吗？
B:Certainly.
乙:当然。
A:I'd like to know how to use this washing machine.
甲:我想知道怎么用这台洗衣机。

句型讲解：

coin laundry是指投币式的自助洗衣店。laundry powder 是洗衣粉，也可以用 washing powder 或 laundry detergent。