基本解释教师同根派生 英汉例句Then, after a period's study and so-called "research", with the help of teaher ENA, I finally made this repeater into a UHF-low-band one. 经过一段时间的"研究" ，经过ENA老师的帮助，我终于做成了这个超高频低段的中继。