im- 📖 中文释义 pref. 不, 未[医] 压氨基, 二价的NH基 📘 English Definition(英文释义) A form of the prefix in- not, and in- in. See In-. Im- alsooccurs in composition with some words not of Latin origin; as, imbank,imbitter. ← Im reading a book I 字母词表 ima →