在教室前面 In front of the classroom ; Earlier in the classroom

站在教室前 Front of the Class

你们的教室前盖 front door of your classroom

在教室的前/后头 at the back/front of the classroom

产前宣教室 Prenatal Education Room

在教室的前部 In front of the classroom

在教室外的前方 in front of the classroom

在教室的前面 in front of the classroom

教室的前面 Front of the class

教室比以前的大 Classroom than before ; Larger than the previous classroom ; Classroom compared to beforehand big