speak on

汉语翻译

例句：

1. I tell him to speak on any subject he want.
   我已告诉他想谈什么就谈什么。
2. She speak on the radio, airing her view to the nation.
   她在电台演说，向全国发表她的见解。
3. I told him to speak on any subject he wanted.
   我已告诉他想谈什麽就谈什麽。
4. I feel unqualified to speak on the subject.
   我自觉无资格就此问题发言。