英语语法分析

There were three special barbers with masks in Hefei.

合肥有三名戴口罩的特殊理发师。

She became a piano teacher in the Hefei Special Education Center that year.

那一年，她成为了合肥特殊教育中心的钢琴教师。

For example, No.38 Middle School in Hefei, set up a 500 square meter farm on an open platform (露天平台) of their teaching building.

例如，合肥的第三十八中学在教学楼的开放露天平台设立了一个500平米的农场。