pref. 内
先理解核心含义，再看它在真实句子里的用法。
pref. 内；在内
A prefix signifying in, within, interior; as, intraocular,；within the eyeball; intramarginal.
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。
pref. 内；在内
A prefix signifying in, within, interior; as, intraocular,；within the eyeball; intramarginal.
Use intra- naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
Dictionary facts from ECDICT.