短語詞組短語Pupil -teacher ratios 師生比she student pupil he teacher 小學(xué)生PTRATIO pupil -teacher ratio by town 城鎮(zhèn)師生比例teacher pupil ratio 師生比establishing good teacher pupil relation 建立良好的師生關(guān)系teacher and pupil 老師和弟子teacher -pupil relationship 師生關(guān)系 返回 pupil teacher