"幼儿园中班" 的英文表达是 "kindergarten middle class"。
"Kindergarten" 来自德语，意思是 "幼儿园"。"Middle" 是 "中间"的意思，"class" 是 "班级"的意思。
例句：
"My child is in the kindergarten middle class." (我的孩子在幼儿园中班)
"The kindergarten middle class students are learning about the alphabet." (幼儿园中班的学生们正在学习字母表)
"The teacher is taking attendance for the kindergarten middle class." (老师正在为幼儿园中班点名)