pref. 在...上面
pref. 在...上面；在...外面
A prefix, meaning upon, beside, among, on the outside, above,；over. It becomes ep-before a vowel, as in epoch, and eph-before a Greek；aspirate, as in ephemeral.
No learner guide for this sense
该词性缺少可信的词典依据，暂时无法生成学习内容。请选择其他词性。
Dictionary facts from ECDICT.
