杂货店的收银台排起了长队。

There were long lines at the ___checkout in the grocery store.

她在当地超市的收银台工作。

She works at the ___checkout in the local supermarket.

去年夏天，我在一个收银台工作，压力很大但很有趣。

Last summer, I worked at a ___checkout, and it was stressful but interesting.