表示“每隔一行 用every two lines, every other line, every second line.“每隔几行 every few lines.因此表示“每隔 用every +基数词+复数名词.every +序数词+单数名词.every other +单数名词.every few +复数名词.注意few前不用a.类似的有first few-, last few-等.如There is a tree every few meters along the street. 【查看更多】