There’s a coffee shop near my office that I visit regularly. It’s part of a popular chain, so the prices are affordable, but what really stands out is the excellent service. I usually stop by in the m ...
首先,介词是连接名词、代词与句子其余部分的桥梁。以‘at lunchtime’为例,这个表达中的‘at’指的是在某一个特定的时间点。类似的,‘They arrived here at noon.’(他们是在中午时候到的)也使用了‘at’,表明具体的时刻。因此,当我们说‘I will have a rest at lunchtime.’(在午餐时候我可以休息一下)的时候,‘at ...