medium sweep

例句：

1. 1. The teacher asked the students to clean their desks with a medium sweep.
   老师要求学生们用中等扫帚打扫桌子。
2. 2.The gardener used a medium sweep to clear the path of weeds.
   园丁用中等扫帚清除了杂草的小径。
3. 3. The children were given a medium sweep to help them learn how to sweep properly.
   孩子们被分配了一个中等扫帚，帮助他们学习如何正确地扫地。