sofa是可数名词。
n. 沙发;
[例句]She sat down next to him on the sofa.
她紧挨着他在沙发上坐下了。
[其他] 复数：sofas
Last month she was asked to design a set of sofas.
上个月，客户要求她设计一套沙发。
At some point we may all be working on our sofas.
有些时候，我们都得在自己的沙发上工作。
The living room has three beds and two old long sofas where people sleep at night.
客厅有三张床和两个旧长沙发到夜晚都可睡人。
If you would like, there is coffee by those sofas over there.
如果您需要，那边的沙发旁边有咖啡。
Come and see our new range of sofas, all at unbeatable prices.
来看看我们的新式沙发，各个都价格不菲。
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