They can be lined up on the ground or stacked up with an external staircase connecting them.

它们可以排列在地面上或用外部连接的楼梯堆叠在一起。

youdao

I set up a video camera where Sara would be standing to make sure the letters lined up right; it took a full 40-hour workweek to arrange them.

我在Sara可能站的位置上设置了一台摄像机以便确认字母都排在正确的位置上；这个工作花了我将近40个小时。

youdao

I set up a video camera where Sara would be standing to make sure the letters lined up right; it took a full 40-hour workweek to arrange them.

我在Sara可能站的位置上设置了一台摄像机以便确认字母都排在正确的位置上；这个工作花了我将近40个小时。

youdao