We booked a double room.

我们预订了一间双人间。

You can choose a single room or a double room.

你可以选择单人房或双人房。

We want a double room with a balcony.

我们想要一个带阳台的双人间。

We booked a double room with a sea view.

我们预订了一间双人房，可以看到海景。

They chose a double room with breakfast included.

他们选择了一间带早餐的双人房。

The price of a single room is cheaper than a double room.

单人房的价格比双人房便宜。

I reserved a double room at the Lamb Hotel.

我在兰姆酒店预订了一间双人房。

I want a double room.

我要一间双人房.

He reserved a double room.

他预定了一个双人间。

A: Then a double room instead?

那么换一间双人房吧?