我还记得上小学时的第一张课桌。

I remember my first desk at primary school.

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咱们教室里的每一张课桌都是木制的。

Every one of the desks in our classroom is wooden.

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房间里有四把椅子，一张课桌和一张床。

There are four chairs, a table and a bed in the room.

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