“半小时”的英语可以翻译为：[医] Semih.，half-hour，halfhour ...

我们只是坐了一会,聊了大约半小时.We just sat and talked for half an hour or so.史蒂夫在前半小时里没说几句话.Steve barely said a handful of words during the first half hour.他迟到了半小时.He's a half hour late....