semiautomatic是什么意思 a. 半自动的[电] 半自动的 s. partially automatic semiautomatic的用法和例句: 1. That guy out there has a semiautomatic. 外面那个人拿着一把半自动步枪 2. Well, that's before they had semiautomatic weapons. 那是因为他们没有半自动武器 3...