pref. 半
先理解核心含义，再看它在真实句子里的用法。
pref. 半；[医] 半
A prefix signifying half, and sometimes partly or imperfectly;；as, semiannual, half yearly; semitransparent, imperfectly transparent.
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pref. 半；[医] 半
A prefix signifying half, and sometimes partly or imperfectly;；as, semiannual, half yearly; semitransparent, imperfectly transparent.
Use semi- 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.